main frame - has 1 onunload handler(s)
main frame - has 1 onunload handler(s)
main frame - has 1 onunload handler(s)
main frame - has 1 onunload handler(s)

Harness Error (TIMEOUT), message = null

FAIL Test that object navigations are not observable by the parent, even after history navigations by the parent promise_test: Unhandled rejection with value: "FAIL - first document not exposed. navigated_back is true"
FAIL Test that crossorigin object navigations are not observable by the parent, even after history navigations by the parent promise_test: Unhandled rejection with value: "FAIL - first document not exposed. navigated_back is true"
PASS Test that object navigations are not observable by the parent
PASS Test that crossorigin object navigations are not observable by the parent
TIMEOUT Test that object refreshes are not observable by the parent Test timed out
NOTRUN Test that crossorigin object refreshes are not observable by the parent