--- a/testing/web-platform/tests/web-animations/animation-model/animation-types/type-per-property.html
+++ b/testing/web-platform/tests/web-animations/animation-model/animation-types/type-per-property.html
@@ -31,137 +31,137 @@ var gCSSProperties = {
   "align-self": {
     // https://drafts.csswg.org/css-align/#propdef-align-self
     tests: [
       discrete("flex-start", "flex-end")
     ]
   },
   "backface-visibility": {
     // https://drafts.csswg.org/css-transforms/#propdef-backface-visibility
-    "tests": [
+    tests: [
       discrete("visible", "hidden")
     ]
   },
   "background-attachment": {
     // https://drafts.csswg.org/css-backgrounds-3/#background-attachment
-    "tests": [
+    tests: [
       discrete("fixed", "local")
     ]
   },
   "background-blend-mode": {
     // https://drafts.fxtf.org/compositing-1/#propdef-background-blend-mode
-    "tests": [
+    tests: [
       discrete("multiply", "screen")
     ]
   },
   "background-clip": {
     // https://drafts.csswg.org/css-backgrounds-3/#background-clip
-    "tests": [
+    tests: [
       discrete("padding-box", "content-box")
     ]
   },
   "background-image": {
     // https://drafts.csswg.org/css-backgrounds-3/#background-image
-    "tests": [
+    tests: [
       discrete("url(\"http://localhost/test-1\")", "url(\"http://localhost/test-2\")")
     ]
   },
   "background-origin": {
     // https://drafts.csswg.org/css-backgrounds-3/#background-origin
-    "tests": [
+    tests: [
       discrete("padding-box", "content-box")
     ]
   },
   "background-repeat": {
     // https://drafts.csswg.org/css-backgrounds-3/#background-repeat
-    "tests": [
+    tests: [
       discrete("space", "round")
     ]
   },
   "border-bottom-style": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-bottom-style
-    "tests": [
+    tests: [
       discrete("dotted", "solid")
     ]
   },
   "border-collapse": {
     // https://drafts.csswg.org/css-tables/#propdef-border-collapse
-    "tests": [
+    tests: [
       discrete("collapse", "separate")
     ]
   },
   "border-image-outset": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-image-outset
-    "tests": [
+    tests: [
       discrete("1 1 1 1", "5 5 5 5")
     ]
   },
   "border-image-repeat": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-image-repeat
-    "tests": [
+    tests: [
       discrete("stretch stretch", "repeat repeat")
     ]
   },
   "border-image-slice": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-image-slice
-    "tests": [
+    tests: [
       discrete("1 1 1 1", "5 5 5 5")
     ]
   },
   "border-image-source": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-image-source
-    "tests": [
+    tests: [
       discrete("url(\"http://localhost/test-1\")", "url(\"http://localhost/test-2\")")
     ]
   },
   "border-image-width": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-image-width
-    "tests": [
+    tests: [
       discrete("1 1 1 1", "5 5 5 5")
     ]
   },
   "border-left-style": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-left-style
-    "tests": [
+    tests: [
       discrete("dotted", "solid")
     ]
   },
   "border-right-style": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-right-style
-    "tests": [
+    tests: [
       discrete("dotted", "solid")
     ]
   },
   "border-top-style": {
     // https://drafts.csswg.org/css-backgrounds-3/#border-top-style
-    "tests": [
+    tests: [
       discrete("dotted", "solid")
     ]
   },
   "box-decoration-break": {
     // https://drafts.csswg.org/css-break/#propdef-box-decoration-break
-    "tests": [
+    tests: [
       discrete("slice", "clone")
     ]
   },
   "box-sizing": {
     // https://drafts.csswg.org/css-ui-4/#box-sizing
-    "tests": [
+    tests: [
       discrete("content-box", "border-box")
     ]
   },
   "caption-side": {
     // https://drafts.csswg.org/css-tables/#propdef-caption-side
-    "tests": [
+    tests: [
       discrete("top", "bottom")
     ]
   },
   "clear": {
     // https://drafts.csswg.org/css-page-floats/#propdef-clear
-    "tests": [
+    tests: [
       discrete("inline-start", "inline-end")
     ]
   },
   "clip-rule": {
     // https://drafts.fxtf.org/css-masking-1/#propdef-clip-rule
     tests: [
       discrete("evenodd", "nonzero")
     ]