[matches.html]
  [Invalidate :matches() for simple selector arguments.]
    expected: FAIL

  [Invalidate :matches() for compound selector arguments.]
    expected: FAIL

  [Invalidate :matches() for complex selector arguments.]
    expected: FAIL

  [Invalidate nested :matches().]
    expected: FAIL

  [Test specificity of :matches().]
    expected: FAIL

