Test for https://bugs.webkit.org/show_bug.cgi?id=92899. Dynamically styling ShadowDom content on a node distributed to another shadow insertion point fails.

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

PASS window.getComputedStyle(target).backgroundColor is "rgb(255, 0, 0)"
PASS successfullyParsed is true

TEST COMPLETE