[only-child-new.html]
[:only-child should match because ::view-transition-old is not generated (none to root)]
expected: FAIL
[:only-child should not match because ::view-transition-old is generated (root to root)]
expected: FAIL
[:only-child should not match because ::view-transition-old is generated (element to root)]
expected: FAIL
[:only-child should match because ::view-transition-old is not generated (none to element)]
expected: FAIL
[:only-child should not match because ::view-transition-old is generated (root to element)]
expected: FAIL
[:only-child should not match because ::view-transition-old is generated (element to element)]
expected: FAIL