1 files changed, 105 insertions, 0 deletions
diff --git a/testing/web-platform/meta/css/css-fonts/idlharness.html.ini b/testing/web-platform/meta/css/css-fonts/idlharness.html.ini
index f64c2d1fcf..e389eb67dd 100644
--- a/testing/web-platform/meta/css/css-fonts/idlharness.html.ini
+++ b/testing/web-platform/meta/css/css-fonts/idlharness.html.ini
@@ -45,3 +45,108 @@
 
   [CSSFontFeatureValuesRule interface: attribute historicalForms]
     expected: FAIL
+
+  [CSSFontFaceDescriptors interface: existence and properties of interface object]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface object length]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface object name]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: existence and properties of interface prototype object]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: existence and properties of interface prototype object's "constructor" property]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: existence and properties of interface prototype object's @@unscopables property]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute src]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontFamily]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-family]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontStyle]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-style]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontWeight]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-weight]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontStretch]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-stretch]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontWidth]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-width]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute unicodeRange]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute unicode-range]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontFeatureSettings]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-feature-settings]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontVariationSettings]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-variation-settings]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontNamedInstance]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-named-instance]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontDisplay]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-display]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute fontLanguageOverride]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute font-language-override]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute ascentOverride]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute ascent-override]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute descentOverride]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute descent-override]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute lineGapOverride]
+    expected: FAIL
+
+  [CSSFontFaceDescriptors interface: attribute line-gap-override]
+    expected: FAIL