This test ensure that the multiple shadow root is available. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS internals.shadowRoot(div) is null PASS internals.shadowRoot(div) is shadowRoot1 PASS internals.olderShadowRoot(shadowRoot1) is null PASS internals.shadowRoot(div) is shadowRoot2 PASS internals.olderShadowRoot(shadowRoot2) is shadowRoot1 PASS internals.shadowRoot(div) is shadowRoot3 PASS internals.olderShadowRoot(shadowRoot3) is shadowRoot2 PASS successfullyParsed is true TEST COMPLETE