This tests that layout tests can access shadow DOM. PASS shadow.nodeName is "#document-fragment" PASS internals.shadowRoot(shadow) threw exception TypeError: Failed to execute 'shadowRoot' on 'Internals': parameter 1 is not of type 'Element'.. PASS internals.shadowRoot(p) is null PASS shadow.nodeName is "#document-fragment" PASS shadow === internals.shadowRoot(p) is true PASS successfullyParsed is true TEST COMPLETE