Enable CSS tests for all modules we partially support.

(Except Fonts, on the assumption #8374 will land first.)

tests/wpt/metadata-css/cssom-view-1_dev/html/elementFromPosition.htm.ini

@@ -0,0 +1,50 @@
+[elementFromPosition.htm]
+  type: testharness
+  [document.elementFromPoint]
+    expected: FAIL
+
+  [document.elementFromPoint is a Function]
+    expected: FAIL
+
+  [test some point of the element: top left corner]
+    expected: FAIL
+
+  [test some point of the element: top line]
+    expected: FAIL
+
+  [test some point of the element: top right corner]
+    expected: FAIL
+
+  [test some point of the element: left line]
+    expected: FAIL
+
+  [test some point of the element: inside]
+    expected: FAIL
+
+  [test some point of the element: right line]
+    expected: FAIL
+
+  [test some point of the element: bottom left corner]
+    expected: FAIL
+
+  [test some point of the element: bottom line]
+    expected: FAIL
+
+  [test some point of the element: botom right corner]
+    expected: FAIL
+
+  [Point (0, 0), return root element(HTML)]
+    expected: FAIL
+
+  [ test negative x ]
+    expected: FAIL
+
+  [ test nagetive y ]
+    expected: FAIL
+
+  [test outside of viewport]
+    expected: FAIL
+
+  [test the top of layer]
+    expected: FAIL
+