I disagree with the rules in the spec that this test tests, and I think they should be changed.
This P should be green.
This P should be green.
This P should be green.
  This P should be green.  (My proposal would make it
  purple, and this is the implementation of most major browsers.)
  This P should be green.  (My proposal would make it
  purple, and this is the implementation of most major browsers.)
This P should be
  green.  (My proposal would make it purple, and this is the
  implementation of most major browsers.)
This P should be
  green.  (My proposal would make it purple, and this is the
  implementation of most major browsers.)
(Back to CSS Testing Information, David Baron)