Auto merge of #6804 - Ms2ger:style-attr-tests, r=SimonSapin

Enable css-style-attr tests.



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tests/wpt/include_css.ini

@@ -11,3 +11,9 @@ skip: true
     skip: true
   [xhtml1print]
     skip: true
+[css-style-attr-1_dev]
+  skip: false
+  [xhtml1]
+    skip: true
+  [xhtml1print]
+    skip: true

tests/wpt/metadata-css/css-style-attr-1_dev/html4/style-attr-urls-002.htm.ini

@@ -0,0 +1,3 @@
+[style-attr-urls-002.htm]
+  type: reftest
+  expected: FAIL