[back-same-document.html]
expected:
if (os == "android") and fission: [OK, TIMEOUT]
[event and promise ordering for same-document navigation.back()]
expected: FAIL
[back-same-document.html?currententrychange]
[event and promise ordering for same-document navigation.back()]
expected: FAIL
[back-same-document.html?no-currententrychange]
[event and promise ordering for same-document navigation.back()]
expected: FAIL