Harness status: OK

Found 7 tests

7 Pass
Pass	Preconditions.
Pass	Invalidate :is() for simple selector arguments.
Pass	Invalidate :is() for compound selector arguments.
Pass	Invalidate :is() for complex selector arguments.
Pass	Invalidate nested :is().
Pass	Test specificity of :is().
Pass	Invalidate :is() in non-subject compound