Test that calling blur() on a shadow host of a focused element clears the focus.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS input = shadowRoot.querySelector("input"); input.focus(); shadowRoot.activeElement is input
PASS document.activeElement is shadowHost
PASS shadowHost.blur(); shadowRoot.activeElement is null
PASS successfullyParsed is true

TEST COMPLETE