This tests that closing a window that is presenting a video in picture-in-picture does not cause an assertion failure in a debug build. To run this test by hand, click the Open new window button then click the picture-in-picture button (tap the video on iOS).

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


PASS did not cause an assertion failure.
PASS successfullyParsed is true

TEST COMPLETE