Test case that a MutationObserver is deleted while events are collected for it. crbug.com/557981
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS successfullyParsed is true
TEST COMPLETE
Test case that a MutationObserver is deleted while events are collected for it. crbug.com/557981
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
PASS successfullyParsed is true
TEST COMPLETE