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-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-center-offset-change.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-center-scroll.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-fallback-invalidation.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-inherited.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-invalid-fallback.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-overflow-hidden.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-013.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-014.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/anchor-scroll-scrollable-anchor.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/at-position-try-cssom.html.ini786
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/base-style-invalidation.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/idlharness.html.ini228
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/inset-area-in-position-try.html.ini177
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-try-backdrop.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-try-order-inset-area.html.ini81
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-both-position-fixed.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-002.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-004.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-stacked-child.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.tentative.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor-dynamic.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor.html.ini6
59 files changed, 1383 insertions, 36 deletions
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-center-offset-change.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-center-offset-change.html.ini
new file mode 100644
index 0000000000..deec3c9b71
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-center-offset-change.html.ini
@@ -0,0 +1,6 @@
+[anchor-center-offset-change.html]
+ [Anchored initially have the same width as the anchor]
+ expected: FAIL
+
+ [Increase the height of the anchor to move the anchor-center offset]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-center-scroll.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-center-scroll.html.ini
new file mode 100644
index 0000000000..fb251a6fd4
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-center-scroll.html.ini
@@ -0,0 +1,2 @@
+[anchor-center-scroll.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-fallback-invalidation.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-fallback-invalidation.html.ini
new file mode 100644
index 0000000000..b7b639ff90
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-fallback-invalidation.html.ini
@@ -0,0 +1,3 @@
+[anchor-fallback-invalidation.html]
+ [Correct invalidation when fallbacks match the old style]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-inherited.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-inherited.html.ini
new file mode 100644
index 0000000000..68ad07f80e
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-inherited.html.ini
@@ -0,0 +1,3 @@
+[anchor-inherited.html]
+ [.child 1]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-invalid-fallback.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-invalid-fallback.html.ini
new file mode 100644
index 0000000000..219297d169
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-invalid-fallback.html.ini
@@ -0,0 +1,9 @@
+[anchor-invalid-fallback.html]
+ [Element can be anchor positioned]
+ expected: FAIL
+
+ [Element can use <length> fallback if present]
+ expected: FAIL
+
+ [Flip to invalid anchor()]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.html.ini
new file mode 100644
index 0000000000..213f316588
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-chained-001.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.tentative.html.ini
deleted file mode 100644
index 7fa7db4093..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-001.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[anchor-scroll-chained-001.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.html.ini
new file mode 100644
index 0000000000..173ba0e5b7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-chained-002.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.tentative.html.ini
deleted file mode 100644
index dcde6d0f2d..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-002.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[anchor-scroll-chained-002.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.html.ini
new file mode 100644
index 0000000000..7319dd60bb
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-chained-003.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.tentative.html.ini
deleted file mode 100644
index 194120a755..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-003.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[anchor-scroll-chained-003.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.html.ini
new file mode 100644
index 0000000000..5676291c91
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-chained-004.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.tentative.html.ini
deleted file mode 100644
index 707a25ba8f..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-004.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[anchor-scroll-chained-004.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.html.ini
new file mode 100644
index 0000000000..aac86791da
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-chained-fallback.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.tentative.html.ini
deleted file mode 100644
index 102b40de4b..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-chained-fallback.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[anchor-scroll-chained-fallback.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-overflow-hidden.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-overflow-hidden.html.ini
new file mode 100644
index 0000000000..69a3691f90
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-overflow-hidden.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-overflow-hidden.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-013.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-013.html.ini
new file mode 100644
index 0000000000..9955c5c3e2
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-013.html.ini
@@ -0,0 +1,9 @@
+[anchor-scroll-position-try-013.html]
+ [anchor-scroll-position-try-013]
+ expected: FAIL
+
+ [anchor-scroll-position-try-013 1]
+ expected: FAIL
+
+ [anchor-scroll-position-try-013 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-014.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-014.html.ini
new file mode 100644
index 0000000000..2aba84c898
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-position-try-014.html.ini
@@ -0,0 +1,9 @@
+[anchor-scroll-position-try-014.html]
+ [anchor-scroll-position-try-014]
+ expected: FAIL
+
+ [anchor-scroll-position-try-014 1]
+ expected: FAIL
+
+ [anchor-scroll-position-try-014 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-scrollable-anchor.html.ini b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-scrollable-anchor.html.ini
new file mode 100644
index 0000000000..de2a413dc6
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/anchor-scroll-scrollable-anchor.html.ini
@@ -0,0 +1,2 @@
+[anchor-scroll-scrollable-anchor.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/at-position-try-cssom.html.ini b/testing/web-platform/meta/css/css-anchor-position/at-position-try-cssom.html.ini
index e998436951..419f99918a 100644
--- a/testing/web-platform/meta/css/css-anchor-position/at-position-try-cssom.html.ini
+++ b/testing/web-platform/meta/css/css-anchor-position/at-position-try-cssom.html.ini
@@ -4,3 +4,789 @@
[CSSPositionTryRule.style.setProperty setting allowed and disallowed properties]
expected: FAIL
+
+ [CSSPositionTryDescriptors.item]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.cssText]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-top)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-top)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-top\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-top\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginTop\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginTop\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-right)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-right)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-right\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-right\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginRight\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginRight\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-bottom)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-bottom)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-bottom\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-bottom\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBottom\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBottom\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-left)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-left)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-left\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-left\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginLeft\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginLeft\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-block)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-block)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlock\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlock\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-block-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-block-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block-start\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block-start\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlockStart\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlockStart\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-block-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-block-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block-end\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-block-end\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlockEnd\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginBlockEnd\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-inline)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-inline)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInline\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInline\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-inline-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-inline-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline-start\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline-start\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInlineStart\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInlineStart\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(margin-inline-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(margin-inline-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline-end\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[margin-inline-end\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInlineEnd\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[marginInlineEnd\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(top)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(top)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[top\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[top\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(left)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(left)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[left\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[left\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(right)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(right)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[right\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[right\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(bottom)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(bottom)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[bottom\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[bottom\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-block)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-block)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlock\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlock\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-block-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-block-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block-start\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block-start\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlockStart\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlockStart\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-block-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-block-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block-end\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-block-end\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlockEnd\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetBlockEnd\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-inline)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-inline)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInline\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInline\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-inline-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-inline-start)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline-start\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline-start\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInlineStart\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInlineStart\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-inline-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-inline-end)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline-end\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-inline-end\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInlineEnd\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetInlineEnd\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[width\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[width\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[height\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[height\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(min-width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(min-width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-width\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-width\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minWidth\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minWidth\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(max-width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(max-width)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-width\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-width\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxWidth\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxWidth\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(min-height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(min-height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-height\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-height\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minHeight\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minHeight\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(max-height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(max-height)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-height\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-height\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxHeight\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxHeight\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[block-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[block-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[blockSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[blockSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(min-block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(min-block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-block-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-block-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minBlockSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minBlockSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(max-block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(max-block-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-block-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-block-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxBlockSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxBlockSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inline-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inline-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inlineSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inlineSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(min-inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(min-inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-inline-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[min-inline-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minInlineSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[minInlineSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(max-inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(max-inline-size)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-inline-size\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[max-inline-size\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxInlineSize\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[maxInlineSize\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(place-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(place-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[place-self\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[place-self\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[placeSelf\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[placeSelf\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(align-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(align-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-self\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-self\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignSelf\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignSelf\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(justify-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(justify-self)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[justify-self\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[justify-self\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[justifySelf\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[justifySelf\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(position-anchor)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(position-anchor)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[position-anchor\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[position-anchor\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[positionAnchor\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[positionAnchor\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(inset-area)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(inset-area)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-area\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[inset-area\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetArea\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[insetArea\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(color)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(color)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[color\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[color\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(align-items)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(align-items)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-items\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-items\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignItems\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignItems\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(align-content)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(align-content)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-content\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[align-content\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignContent\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[alignContent\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(background)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(background)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[background\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[background\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(display)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(display)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[display\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[display\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(position)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(position)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[position\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[position\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(writing-mode)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(writing-mode)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[writing-mode\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[writing-mode\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[writingMode\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[writingMode\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(direction)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(direction)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[direction\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[direction\] (get)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.getPropertyValue(syntax)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors.setProperty(syntax)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[syntax\] (set)]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors[syntax\] (get)]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/base-style-invalidation.html.ini b/testing/web-platform/meta/css/css-anchor-position/base-style-invalidation.html.ini
new file mode 100644
index 0000000000..9c0e77ffae
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/base-style-invalidation.html.ini
@@ -0,0 +1,3 @@
+[base-style-invalidation.html]
+ [The chosen position options changes when the base style differs]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/idlharness.html.ini b/testing/web-platform/meta/css/css-anchor-position/idlharness.html.ini
index b1873f3724..54a37ef889 100644
--- a/testing/web-platform/meta/css/css-anchor-position/idlharness.html.ini
+++ b/testing/web-platform/meta/css/css-anchor-position/idlharness.html.ini
@@ -22,3 +22,231 @@
[CSSPositionTryRule interface: attribute style]
expected: FAIL
+
+ [CSSPositionTryDescriptors interface: existence and properties of interface object]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface object length]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface object name]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: existence and properties of interface prototype object]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: existence and properties of interface prototype object's "constructor" property]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: existence and properties of interface prototype object's @@unscopables property]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginTop]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginRight]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginBottom]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginLeft]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginBlock]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginBlockStart]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginBlockEnd]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginInline]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginInlineStart]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute marginInlineEnd]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-top]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-right]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-bottom]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-left]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-block]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-block-start]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-block-end]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-inline]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-inline-start]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute margin-inline-end]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetBlock]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetBlockStart]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetBlockEnd]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetInline]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetInlineStart]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetInlineEnd]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute top]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute left]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute right]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute bottom]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-block]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-block-start]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-block-end]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-inline]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-inline-start]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-inline-end]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute width]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute minWidth]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute maxWidth]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute height]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute minHeight]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute maxHeight]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute blockSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute minBlockSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute maxBlockSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inlineSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute minInlineSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute maxInlineSize]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute min-width]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute max-width]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute min-height]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute max-height]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute block-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute min-block-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute max-block-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inline-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute min-inline-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute max-inline-size]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute placeSelf]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute alignSelf]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute justifySelf]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute place-self]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute align-self]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute justify-self]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute positionAnchor]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute position-anchor]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute insetArea]
+ expected: FAIL
+
+ [CSSPositionTryDescriptors interface: attribute inset-area]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/inset-area-in-position-try.html.ini b/testing/web-platform/meta/css/css-anchor-position/inset-area-in-position-try.html.ini
new file mode 100644
index 0000000000..37d5ffe353
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/inset-area-in-position-try.html.ini
@@ -0,0 +1,177 @@
+[inset-area-in-position-try.html]
+ [none]
+ expected: FAIL
+
+ [span-all]
+ expected: FAIL
+
+ [span-all span-all]
+ expected: FAIL
+
+ [top left]
+ expected: FAIL
+
+ [top center]
+ expected: FAIL
+
+ [top right]
+ expected: FAIL
+
+ [center left]
+ expected: FAIL
+
+ [center center]
+ expected: FAIL
+
+ [center right]
+ expected: FAIL
+
+ [bottom left]
+ expected: FAIL
+
+ [bottom center]
+ expected: FAIL
+
+ [bottom right]
+ expected: FAIL
+
+ [start start]
+ expected: FAIL
+
+ [start center]
+ expected: FAIL
+
+ [start end]
+ expected: FAIL
+
+ [center start]
+ expected: FAIL
+
+ [center end]
+ expected: FAIL
+
+ [end start]
+ expected: FAIL
+
+ [end center]
+ expected: FAIL
+
+ [end end]
+ expected: FAIL
+
+ [self-start self-start]
+ expected: FAIL
+
+ [self-start center]
+ expected: FAIL
+
+ [self-start self-end]
+ expected: FAIL
+
+ [center self-start]
+ expected: FAIL
+
+ [center self-end]
+ expected: FAIL
+
+ [self-end self-start]
+ expected: FAIL
+
+ [self-end center]
+ expected: FAIL
+
+ [self-end self-end]
+ expected: FAIL
+
+ [y-start x-start]
+ expected: FAIL
+
+ [y-start center]
+ expected: FAIL
+
+ [y-start x-end]
+ expected: FAIL
+
+ [center x-start]
+ expected: FAIL
+
+ [center x-end]
+ expected: FAIL
+
+ [y-end x-start]
+ expected: FAIL
+
+ [y-end center]
+ expected: FAIL
+
+ [y-end x-end]
+ expected: FAIL
+
+ [y-self-start x-self-start]
+ expected: FAIL
+
+ [y-self-start center]
+ expected: FAIL
+
+ [y-self-start x-self-end]
+ expected: FAIL
+
+ [center x-self-start]
+ expected: FAIL
+
+ [center x-self-end]
+ expected: FAIL
+
+ [y-self-end x-self-start]
+ expected: FAIL
+
+ [y-self-end center]
+ expected: FAIL
+
+ [y-self-end x-self-end]
+ expected: FAIL
+
+ [span-y-self-start span-x-self-end]
+ expected: FAIL
+
+ [span-bottom span-all]
+ expected: FAIL
+
+ [Placement: --top]
+ expected: FAIL
+
+ [Placement: --left]
+ expected: FAIL
+
+ [Placement: --right, --top]
+ expected: FAIL
+
+ [Placement: --bottom, --top]
+ expected: FAIL
+
+ [Placement: --bottom, --right, --top]
+ expected: FAIL
+
+ [Placement: --bottom, --right, --left, --top]
+ expected: FAIL
+
+ [Placement: --bottom, --left, --top, --right]
+ expected: FAIL
+
+ [Placement: --right flip-inline]
+ expected: FAIL
+
+ [Placement: --bottom flip-block]
+ expected: FAIL
+
+ [Placement: --left flip-start]
+ expected: FAIL
+
+ [Placement: --left flip-inline, --top]
+ expected: FAIL
+
+ [Placement: --top flip-block, --left]
+ expected: FAIL
+
+ [Placement: --left flip-start flip-block, --left]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-try-backdrop.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-try-backdrop.html.ini
new file mode 100644
index 0000000000..d872495d7f
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-try-backdrop.html.ini
@@ -0,0 +1,3 @@
+[position-try-backdrop.html]
+ [::backdrop can use position-try-options]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-try-order-inset-area.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-try-order-inset-area.html.ini
new file mode 100644
index 0000000000..ec2a0b0244
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-try-order-inset-area.html.ini
@@ -0,0 +1,81 @@
+[position-try-order-inset-area.html]
+ [--right | --right]
+ expected: FAIL
+
+ [--left | --left]
+ expected: FAIL
+
+ [--top | --top]
+ expected: FAIL
+
+ [--bottom | --bottom]
+ expected: FAIL
+
+ [--right, --left, --bottom, --top | --right]
+ expected: FAIL
+
+ [normal --right, --left, --bottom, --top | --right]
+ expected: FAIL
+
+ [normal --top, --left, --bottom, --right | --top]
+ expected: FAIL
+
+ [most-block-size --right, --left | --right]
+ expected: FAIL
+
+ [most-height --right, --left | --right]
+ expected: FAIL
+
+ [most-inline-size --right, --left | --left]
+ expected: FAIL
+
+ [most-width --right, --left | --left]
+ expected: FAIL
+
+ [most-inline-size --bottom, --top | --bottom]
+ expected: FAIL
+
+ [most-width --bottom, --top | --bottom]
+ expected: FAIL
+
+ [most-block-size --bottom, --top | --top]
+ expected: FAIL
+
+ [most-height --bottom, --top | --top]
+ expected: FAIL
+
+ [most-inline-size --right, --left, --bottom, --top | --bottom]
+ expected: FAIL
+
+ [most-inline-size --right, --left, --top, --bottom | --top]
+ expected: FAIL
+
+ [most-block-size --bottom, --top, --right, --left | --right]
+ expected: FAIL
+
+ [most-block-size --bottom, --top, --left, --right | --left]
+ expected: FAIL
+
+ [most-inline-size --left-sweep, --bottom-sweep | --left-sweep]
+ expected: FAIL
+
+ [most-inline-size --bottom-sweep, --left-sweep | --bottom-sweep]
+ expected: FAIL
+
+ [most-block-size --left-sweep, --bottom-sweep | --left-sweep]
+ expected: FAIL
+
+ [most-block-size --bottom-sweep, --left-sweep | --left-sweep]
+ expected: FAIL
+
+ [most-inline-size --right-sweep, --left-sweep, --bottom-sweep, --top-sweep | --left-sweep]
+ expected: FAIL
+
+ [most-block-size --right-sweep, --left-sweep, --bottom-sweep, --top-sweep | --top-sweep]
+ expected: FAIL
+
+ [most-inline-size\n --right-sweep, --left-sweep, --bottom-sweep, --top-sweep,\n --right, --left, --bottom, --top\n | --left-sweep]
+ expected: FAIL
+
+ [most-block-size\n --right-sweep, --left-sweep, --bottom-sweep, --top-sweep,\n --right, --left, --bottom, --top\n | --right]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.html.ini
new file mode 100644
index 0000000000..3d5d5d875d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-add-no-overflow.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.tentative.html.ini
deleted file mode 100644
index 120f58423b..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-add-no-overflow.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-add-no-overflow.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.html.ini
new file mode 100644
index 0000000000..2d8669ecc6
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-after-scroll-in.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.tentative.html.ini
deleted file mode 100644
index 4e48cc764d..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-in.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-after-scroll-in.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.html.ini
new file mode 100644
index 0000000000..d18631dcb7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-after-scroll-out.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.tentative.html.ini
deleted file mode 100644
index fef78484bf..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-after-scroll-out.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-after-scroll-out.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-both-position-fixed.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-both-position-fixed.tentative.html.ini
new file mode 100644
index 0000000000..ceccdb9ca2
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-both-position-fixed.tentative.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-both-position-fixed.tentative.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html.ini
new file mode 100644
index 0000000000..e12c1309f5
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-001.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-chained-001.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-002.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-002.html.ini
new file mode 100644
index 0000000000..00d6e9ecab
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-002.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-chained-002.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html.ini
new file mode 100644
index 0000000000..0c9539f7f1
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-chained-003.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-004.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-004.html.ini
new file mode 100644
index 0000000000..02beaae9cc
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-chained-004.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-chained-004.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.html.ini
new file mode 100644
index 0000000000..25f7c7c8d1
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-change-anchor.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.tentative.html.ini
deleted file mode 100644
index 35ead71fcf..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-anchor.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-change-anchor.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.html.ini
new file mode 100644
index 0000000000..836b28479d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-change-css-visibility.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.tentative.html.ini
deleted file mode 100644
index 76c3c60118..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-change-css-visibility.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-change-css-visibility.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.html.ini
new file mode 100644
index 0000000000..3ea6611e5c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-css-visibility.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.tentative.html.ini
deleted file mode 100644
index 278741c7f3..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-css-visibility.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-css-visibility.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.html.ini
new file mode 100644
index 0000000000..b4400a798a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-non-intervening-container.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.tentative.html.ini
deleted file mode 100644
index 52927f6a6b..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-non-intervening-container.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible-non-intervening-container.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-stacked-child.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-stacked-child.html.ini
new file mode 100644
index 0000000000..7c86e8c3dc
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible-stacked-child.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible-stacked-child.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.html.ini
new file mode 100644
index 0000000000..d8c2cf5d30
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-anchors-visible.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.tentative.html.ini
deleted file mode 100644
index 003412f960..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-anchors-visible.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-anchors-visible.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.html.ini
new file mode 100644
index 0000000000..25dc9ae43f
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-no-overflow-scroll.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.tentative.html.ini
deleted file mode 100644
index 7778b801ba..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-scroll.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-no-overflow-scroll.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.html.ini
new file mode 100644
index 0000000000..898d10a473
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-no-overflow-stacked-child.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.tentative.html.ini
deleted file mode 100644
index 609ceb3c1a..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow-stacked-child.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-no-overflow-stacked-child.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.html.ini
new file mode 100644
index 0000000000..c1f5e52df9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-no-overflow.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.tentative.html.ini
deleted file mode 100644
index 3a7bbc8636..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-no-overflow.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-no-overflow.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.html.ini
new file mode 100644
index 0000000000..a698919286
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-remove-anchors-visible.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.tentative.html.ini
deleted file mode 100644
index 8551beb8a4..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-anchors-visible.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-remove-anchors-visible.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.html.ini
new file mode 100644
index 0000000000..7290bac75c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.html.ini
@@ -0,0 +1,2 @@
+[position-visibility-remove-no-overflow.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.tentative.html.ini b/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.tentative.html.ini
deleted file mode 100644
index 2d701034fa..0000000000
--- a/testing/web-platform/meta/css/css-anchor-position/position-visibility-remove-no-overflow.tentative.html.ini
+++ /dev/null
@@ -1,2 +0,0 @@
-[position-visibility-remove-no-overflow.tentative.html]
- expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor-dynamic.html.ini b/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor-dynamic.html.ini
new file mode 100644
index 0000000000..b4702568e5
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor-dynamic.html.ini
@@ -0,0 +1,6 @@
+[pseudo-element-anchor-dynamic.html]
+ [::before as anchor dynamically generated]
+ expected: FAIL
+
+ [::after as anchor dynamically generated]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor.html.ini b/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor.html.ini
new file mode 100644
index 0000000000..72080d37e8
--- /dev/null
+++ b/testing/web-platform/meta/css/css-anchor-position/pseudo-element-anchor.html.ini
@@ -0,0 +1,6 @@
+[pseudo-element-anchor.html]
+ [::before as anchor]
+ expected: FAIL
+
+ [::after as anchor]
+ expected: FAIL