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-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-001.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-002.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-001.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-002.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-001.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-002.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-non-adjoining-item.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-end.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-start.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-nested-child.html.ini27
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-with-self-collapsing-children.html.ini51
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-child-with-border.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-self-collapsing-nested.html.ini21
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-end.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-start.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-end.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-start.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-end.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-start.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-end.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-start.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-end.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-start.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-end.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-start.html.ini9
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-end.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-start.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-end.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-start.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-column-auto-flow.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-item-spans-multiple-rows.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end.html.ini3
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start-item-negative-span.html.ini6
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start.html.ini12
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-block-end-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-block-start-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-block-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-block-multiline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-grow.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-inline-multiline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-orthogonal-item.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-shrink.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-end.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-start.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-inline-end-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-inline-start-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-inline-trimmed-only.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-block-multiline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-grow.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-inline-multiline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-orthogonal-item.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-shrink.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-end.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-start.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/flex-trim-all-margins.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-block-end.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-block-start.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-block.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-inline-end.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-inline-start.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-inline.html.ini2
-rw-r--r--testing/web-platform/meta/css/css-box/margin-trim/grid-trim-ignores-collapsed-tracks.html.ini2
70 files changed, 392 insertions, 0 deletions
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-001.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-001.html.ini
new file mode 100644
index 0000000000..bdd2a9ebb6
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-001.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-001.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-002.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-002.html.ini
new file mode 100644
index 0000000000..61490c0f13
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-002.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-002.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-001.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-001.html.ini
new file mode 100644
index 0000000000..2a82570ec9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-001.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-end-001.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-002.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-002.html.ini
new file mode 100644
index 0000000000..0cb79e513d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-end-002.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-end-002.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-001.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-001.html.ini
new file mode 100644
index 0000000000..346432fd29
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-001.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-start-001.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-002.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-002.html.ini
new file mode 100644
index 0000000000..d73e7755c2
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-block-start-002.html.ini
@@ -0,0 +1,2 @@
+[block-container-block-start-002.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-non-adjoining-item.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-non-adjoining-item.html.ini
new file mode 100644
index 0000000000..b503f8a472
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-non-adjoining-item.html.ini
@@ -0,0 +1,2 @@
+[block-container-non-adjoining-item.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-end.html.ini
new file mode 100644
index 0000000000..c630407660
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-end.html.ini
@@ -0,0 +1,2 @@
+[block-container-replaced-block-end.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-start.html.ini
new file mode 100644
index 0000000000..f0b4d3f432
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block-start.html.ini
@@ -0,0 +1,2 @@
+[block-container-replaced-block-start.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block.html.ini
new file mode 100644
index 0000000000..bd5117f6ac
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/block-container-replaced-block.html.ini
@@ -0,0 +1,2 @@
+[block-container-replaced-block.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-nested-child.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-nested-child.html.ini
new file mode 100644
index 0000000000..69b12dc24e
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-nested-child.html.ini
@@ -0,0 +1,27 @@
+[block-container-block-end-nested-child.html]
+ [item 2]
+ expected: FAIL
+
+ [item 4]
+ expected: FAIL
+
+ [item 5]
+ expected: FAIL
+
+ [item 6]
+ expected: FAIL
+
+ [item 7]
+ expected: FAIL
+
+ [item 8]
+ expected: FAIL
+
+ [item 9]
+ expected: FAIL
+
+ [item 10]
+ expected: FAIL
+
+ [item 11]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-with-self-collapsing-children.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-with-self-collapsing-children.html.ini
new file mode 100644
index 0000000000..ef9b1f3d0b
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end-with-self-collapsing-children.html.ini
@@ -0,0 +1,51 @@
+[block-container-block-end-with-self-collapsing-children.html]
+ [item 2]
+ expected: FAIL
+
+ [item 3]
+ expected: FAIL
+
+ [item 4]
+ expected: FAIL
+
+ [item 5]
+ expected: FAIL
+
+ [item 6]
+ expected: FAIL
+
+ [item 7]
+ expected: FAIL
+
+ [item 8]
+ expected: FAIL
+
+ [item 9]
+ expected: FAIL
+
+ [item 10]
+ expected: FAIL
+
+ [item 11]
+ expected: FAIL
+
+ [item 12]
+ expected: FAIL
+
+ [item 13]
+ expected: FAIL
+
+ [item 14]
+ expected: FAIL
+
+ [item 15]
+ expected: FAIL
+
+ [item 16]
+ expected: FAIL
+
+ [item 17]
+ expected: FAIL
+
+ [item 18]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end.html.ini
new file mode 100644
index 0000000000..b2236b47e5
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-end.html.ini
@@ -0,0 +1,3 @@
+[block-container-block-end.html]
+ [item 1]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-child-with-border.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-child-with-border.html.ini
new file mode 100644
index 0000000000..85ad7ca5e3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-child-with-border.html.ini
@@ -0,0 +1,12 @@
+[block-container-block-start-child-with-border.html]
+ [item 1]
+ expected: FAIL
+
+ [item 2]
+ expected: FAIL
+
+ [item 3]
+ expected: FAIL
+
+ [item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-self-collapsing-nested.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-self-collapsing-nested.html.ini
new file mode 100644
index 0000000000..4d09129524
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start-self-collapsing-nested.html.ini
@@ -0,0 +1,21 @@
+[block-container-block-start-self-collapsing-nested.html]
+ [container, item 1]
+ expected: FAIL
+
+ [container, item 2]
+ expected: FAIL
+
+ [container, item 3]
+ expected: FAIL
+
+ [container, item 4]
+ expected: FAIL
+
+ [container, item 5]
+ expected: FAIL
+
+ [container, item 6]
+ expected: FAIL
+
+ [container, item 7]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start.html.ini
new file mode 100644
index 0000000000..8d52d836cf
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/block-container-block-start.html.ini
@@ -0,0 +1,3 @@
+[block-container-block-start.html]
+ [item 1]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-end.html.ini
new file mode 100644
index 0000000000..f57a4465fc
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-end.html.ini
@@ -0,0 +1,3 @@
+[flexbox-column-block-end.html]
+ [flexbox > item 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-start.html.ini
new file mode 100644
index 0000000000..acf472249f
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-block-start.html.ini
@@ -0,0 +1,6 @@
+[flexbox-column-block-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-end.html.ini
new file mode 100644
index 0000000000..3507fb4e0c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-end.html.ini
@@ -0,0 +1,9 @@
+[flexbox-column-inline-end.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-start.html.ini
new file mode 100644
index 0000000000..2152ae1028
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-inline-start.html.ini
@@ -0,0 +1,9 @@
+[flexbox-column-inline-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-end.html.ini
new file mode 100644
index 0000000000..f240a59191
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-end.html.ini
@@ -0,0 +1,6 @@
+[flexbox-column-multi-line-block-end.html]
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-start.html.ini
new file mode 100644
index 0000000000..95bd28e828
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block-start.html.ini
@@ -0,0 +1,12 @@
+[flexbox-column-multi-line-block-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block.html.ini
new file mode 100644
index 0000000000..4298304d6d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-block.html.ini
@@ -0,0 +1,12 @@
+[flexbox-column-multi-line-block.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-end.html.ini
new file mode 100644
index 0000000000..c8e1834793
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-end.html.ini
@@ -0,0 +1,6 @@
+[flexbox-column-multi-line-inline-end.html]
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-start.html.ini
new file mode 100644
index 0000000000..8660f805d7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-column-multi-line-inline-start.html.ini
@@ -0,0 +1,12 @@
+[flexbox-column-multi-line-inline-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-end.html.ini
new file mode 100644
index 0000000000..c043d05263
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-end.html.ini
@@ -0,0 +1,9 @@
+[flexbox-row-block-end.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-start.html.ini
new file mode 100644
index 0000000000..698ce340da
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block-start.html.ini
@@ -0,0 +1,9 @@
+[flexbox-row-block-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block.html.ini
new file mode 100644
index 0000000000..4d37dd68a9
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-block.html.ini
@@ -0,0 +1,9 @@
+[flexbox-row-block.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-end.html.ini
new file mode 100644
index 0000000000..e43c3fe58c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-end.html.ini
@@ -0,0 +1,3 @@
+[flexbox-row-inline-end.html]
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-start.html.ini
new file mode 100644
index 0000000000..5617b41b81
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-inline-start.html.ini
@@ -0,0 +1,9 @@
+[flexbox-row-inline-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-end.html.ini
new file mode 100644
index 0000000000..9a8cb6fc31
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-end.html.ini
@@ -0,0 +1,6 @@
+[flexbox-row-multi-line-block-end.html]
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-start.html.ini
new file mode 100644
index 0000000000..e2fea32ba8
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block-start.html.ini
@@ -0,0 +1,12 @@
+[flexbox-row-multi-line-block-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block.html.ini
new file mode 100644
index 0000000000..1a6360e2ff
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-block.html.ini
@@ -0,0 +1,12 @@
+[flexbox-row-multi-line-block.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-end.html.ini
new file mode 100644
index 0000000000..b6d8f156fd
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-end.html.ini
@@ -0,0 +1,6 @@
+[flexbox-row-multi-line-inline-end.html]
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-start.html.ini
new file mode 100644
index 0000000000..06d4ed4b0c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/flexbox-row-multi-line-inline-start.html.ini
@@ -0,0 +1,12 @@
+[flexbox-row-multi-line-inline-start.html]
+ [flexbox > item 1]
+ expected: FAIL
+
+ [flexbox > item 2]
+ expected: FAIL
+
+ [flexbox > item 3]
+ expected: FAIL
+
+ [flexbox > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-column-auto-flow.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-column-auto-flow.html.ini
new file mode 100644
index 0000000000..e4c2378aca
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-column-auto-flow.html.ini
@@ -0,0 +1,6 @@
+[grid-block-end-column-auto-flow.html]
+ [grid > item 4]
+ expected: FAIL
+
+ [grid > item 5]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-item-spans-multiple-rows.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-item-spans-multiple-rows.html.ini
new file mode 100644
index 0000000000..e4941a6b38
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end-item-spans-multiple-rows.html.ini
@@ -0,0 +1,6 @@
+[grid-block-end-item-spans-multiple-rows.html]
+ [grid > item 1]
+ expected: FAIL
+
+ [grid > item 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end.html.ini
new file mode 100644
index 0000000000..26a75c2953
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-block-end.html.ini
@@ -0,0 +1,3 @@
+[grid-block-end.html]
+ [grid > item 4]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start-item-negative-span.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start-item-negative-span.html.ini
new file mode 100644
index 0000000000..2bd9ab8c29
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start-item-negative-span.html.ini
@@ -0,0 +1,6 @@
+[grid-inline-start-item-negative-span.html]
+ [grid > item 1]
+ expected: FAIL
+
+ [grid > item 2]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start.html.ini
new file mode 100644
index 0000000000..b51c7fc969
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/computed-margin-values/grid-inline-start.html.ini
@@ -0,0 +1,12 @@
+[grid-inline-start.html]
+ [grid > item 1]
+ expected: FAIL
+
+ [grid > item 3]
+ expected: FAIL
+
+ [grid > item 4]
+ expected: FAIL
+
+ [grid > item 5]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-block-end-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-end-trimmed-only.html.ini
new file mode 100644
index 0000000000..28af4fbdf5
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-end-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-block-end-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-block-start-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-start-trimmed-only.html.ini
new file mode 100644
index 0000000000..620f867c73
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-start-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-block-start-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-block-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-trimmed-only.html.ini
new file mode 100644
index 0000000000..7d560bf4d3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-block-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-block-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-block-multiline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-block-multiline.html.ini
new file mode 100644
index 0000000000..6c432dc7d6
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-block-multiline.html.ini
@@ -0,0 +1,2 @@
+[flex-column-block-multiline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-grow.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-grow.html.ini
new file mode 100644
index 0000000000..dd2cec9be8
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-grow.html.ini
@@ -0,0 +1,2 @@
+[flex-column-grow.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-inline-multiline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-inline-multiline.html.ini
new file mode 100644
index 0000000000..416a322855
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-inline-multiline.html.ini
@@ -0,0 +1,2 @@
+[flex-column-inline-multiline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-orthogonal-item.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-orthogonal-item.html.ini
new file mode 100644
index 0000000000..b04c87fc5b
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-orthogonal-item.html.ini
@@ -0,0 +1,2 @@
+[flex-column-orthogonal-item.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-shrink.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-shrink.html.ini
new file mode 100644
index 0000000000..c1ded405fa
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-shrink.html.ini
@@ -0,0 +1,2 @@
+[flex-column-shrink.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-end.html.ini
new file mode 100644
index 0000000000..156ff53acb
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-end.html.ini
@@ -0,0 +1,2 @@
+[flex-column-style-change-triggers-layout-block-end.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-start.html.ini
new file mode 100644
index 0000000000..254f74ef5e
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block-start.html.ini
@@ -0,0 +1,2 @@
+[flex-column-style-change-triggers-layout-block-start.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block.html.ini
new file mode 100644
index 0000000000..8f7ceae614
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-column-style-change-triggers-layout-block.html.ini
@@ -0,0 +1,2 @@
+[flex-column-style-change-triggers-layout-block.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-end-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-end-trimmed-only.html.ini
new file mode 100644
index 0000000000..e81b2d3e9a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-end-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-inline-end-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-start-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-start-trimmed-only.html.ini
new file mode 100644
index 0000000000..0367f962e3
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-start-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-inline-start-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-trimmed-only.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-trimmed-only.html.ini
new file mode 100644
index 0000000000..c42811216b
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-inline-trimmed-only.html.ini
@@ -0,0 +1,2 @@
+[flex-inline-trimmed-only.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-block-multiline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-block-multiline.html.ini
new file mode 100644
index 0000000000..9210cc2484
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-block-multiline.html.ini
@@ -0,0 +1,2 @@
+[flex-row-block-multiline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-grow.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-grow.html.ini
new file mode 100644
index 0000000000..0c56dea5a7
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-grow.html.ini
@@ -0,0 +1,2 @@
+[flex-row-grow.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-inline-multiline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-inline-multiline.html.ini
new file mode 100644
index 0000000000..d4762b1ac1
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-inline-multiline.html.ini
@@ -0,0 +1,2 @@
+[flex-row-inline-multiline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-orthogonal-item.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-orthogonal-item.html.ini
new file mode 100644
index 0000000000..621a89ad8a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-orthogonal-item.html.ini
@@ -0,0 +1,2 @@
+[flex-row-orthogonal-item.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-shrink.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-shrink.html.ini
new file mode 100644
index 0000000000..70f900f22a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-shrink.html.ini
@@ -0,0 +1,2 @@
+[flex-row-shrink.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-end.html.ini
new file mode 100644
index 0000000000..2d7d3374ae
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-end.html.ini
@@ -0,0 +1,2 @@
+[flex-row-style-change-triggers-layout-inline-end.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-start.html.ini
new file mode 100644
index 0000000000..e92479652c
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline-start.html.ini
@@ -0,0 +1,2 @@
+[flex-row-style-change-triggers-layout-inline-start.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline.html.ini
new file mode 100644
index 0000000000..67fff6624d
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-row-style-change-triggers-layout-inline.html.ini
@@ -0,0 +1,2 @@
+[flex-row-style-change-triggers-layout-inline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/flex-trim-all-margins.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/flex-trim-all-margins.html.ini
new file mode 100644
index 0000000000..9e346871a8
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/flex-trim-all-margins.html.ini
@@ -0,0 +1,2 @@
+[flex-trim-all-margins.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-block-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-block-end.html.ini
new file mode 100644
index 0000000000..4846925f0a
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-block-end.html.ini
@@ -0,0 +1,2 @@
+[grid-block-end.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-block-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-block-start.html.ini
new file mode 100644
index 0000000000..2e4f8fab72
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-block-start.html.ini
@@ -0,0 +1,2 @@
+[grid-block-start.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-block.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-block.html.ini
new file mode 100644
index 0000000000..8a6beb4100
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-block.html.ini
@@ -0,0 +1,2 @@
+[grid-block.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-end.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-end.html.ini
new file mode 100644
index 0000000000..001c139c45
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-end.html.ini
@@ -0,0 +1,2 @@
+[grid-inline-end.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-start.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-start.html.ini
new file mode 100644
index 0000000000..760bd87248
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline-start.html.ini
@@ -0,0 +1,2 @@
+[grid-inline-start.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-inline.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline.html.ini
new file mode 100644
index 0000000000..72221f6d17
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-inline.html.ini
@@ -0,0 +1,2 @@
+[grid-inline.html]
+ expected: FAIL
diff --git a/testing/web-platform/meta/css/css-box/margin-trim/grid-trim-ignores-collapsed-tracks.html.ini b/testing/web-platform/meta/css/css-box/margin-trim/grid-trim-ignores-collapsed-tracks.html.ini
new file mode 100644
index 0000000000..a4fe74e34f
--- /dev/null
+++ b/testing/web-platform/meta/css/css-box/margin-trim/grid-trim-ignores-collapsed-tracks.html.ini
@@ -0,0 +1,2 @@
+[grid-trim-ignores-collapsed-tracks.html]
+ expected: FAIL