Sync Mozilla tests as of https://hg.mozilla.org/mozilla-central/rev/f40960c63bfac865d510ec9da42eeed74c384082 .
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-001.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-001.html
index f77161f..2b8c7d3 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-001.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-001.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: hsla() syntax accepts comma-less expressions (and comments as separators), percentage alpha and omitting of alpha component - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#the-hsl-notation" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#the-hsl-notation" />
     <meta name="assert" content="hsla() should accept comma-less expressions (and comments as separators), percentage alpha and omitting of alpha component." />
     <link rel="match" href="background-color-hsl-001-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-002.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-002.html
index 238c4e0..a1e9a01 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-002.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-002.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: hsl() syntax accepts comma-less expressions (and comments as separators) and alpha component (and percentage alpha) - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#the-hsl-notation" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#the-hsl-notation" />
     <meta name="assert" content="hsl() should accept comma-less expressions (and comments as separators) and alpha component (and percentage alpha)." />
     <link rel="match" href="background-color-hsl-002-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-003.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-003.html
index d5fbfbc..f9c256e 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-003.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-003.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: support <angle> value for hsl()/hsla() hue component - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#the-hsl-notation" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#the-hsl-notation" />
     <meta name="assert" content="hsl()/hsla() hue component should support <angle> value." />
     <link rel="match" href="background-color-hsl-003-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-004.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-004.html
index c5741b1..1cd6684 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-004.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-hsl-004.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: hsla() and hsl() are aliases of each other - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#the-hsl-notation" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#the-hsl-notation" />
     <meta name="assert" content="hsla() should have the identical grammar and behavior to hsl()." />
     <link rel="match" href="background-color-hsl-004-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-001.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-001.html
index f1c3fbe..061eeac 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-001.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-001.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: rgb() syntax accepts alpha component (and percentage alpha value), non-integer components and comma-less expressions (and comments as separators) - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#rgb-functions" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#rgb-functions" />
     <meta name="assert" content="rgb() should accept alpha component (and percentage alpha value), non-integer components and comma-less expressions (and comments as separators)." />
     <link rel="match" href="background-color-rgb-001-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-002.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-002.html
index c36c44e..8919f0e 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-002.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-002.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: rgba() syntax accepts non-integer components, comma-less expressions (and comments as separators), percentage alpha and omitting of alpha component - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#rgb-functions" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#rgb-functions" />
     <meta name="assert" content="rgba() should accept non-integer components, comma-less expressions (and comments as separators), percentage alpha and omitting of alpha." />
     <link rel="match" href="background-color-rgb-002-ref.html" />
     <style type="text/css">
diff --git a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-003.html b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-003.html
index e5422df..6a22ba0 100644
--- a/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-003.html
+++ b/vendor-imports/mozilla/mozilla-central-reftests/color4/background-color-rgb-003.html
@@ -5,7 +5,7 @@
     <title>CSS-Color-4: rgb() and rgba() are aliases of each other - test</title>
     <link rel="author" title="Jerry Shih" href="mailto:bignose1007@gmail.com" />
     <link rel="author" title="Mozilla" href="http://www.mozilla.org/" />
-    <link rel="help" href="https://drafts.csswg.org/css-color/#rgb-functions" />
+    <link rel="help" href="https://drafts.csswg.org/css-color-4/#rgb-functions" />
     <meta name="assert" content="rgb() should have the identical grammar and behavior to rgba()." />
     <link rel="match" href="background-color-rgb-003-ref.html" />
     <style type="text/css">