1 Test that the window.onerror handler in resources/js-test.js stops asynchronous tests
3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
6 Will throw an error soon
7 Simulating an unexpected error
8 FAIL Unexpected error: Uncaught Error: An unexpected error
9 FAIL successfullyParsed should be true. Was false.