Test that detaching document in window.postMessage() handler does not crash.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS Received message msg
PASS successfullyParsed is true
TEST COMPLETE
Test that detaching document in window.postMessage() handler does not crash.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS Received message msg
PASS successfullyParsed is true
TEST COMPLETE