[iframe.https.html]
prefs: [network.cookie.sameSite.laxByDefault:true, network.cookie.sameSite.noneRequiresSecure:true]
expected:
if (os == "android") and fission: [OK, TIMEOUT]
[Cross-site redirecting to same-host fetches are cross-site]
expected: FAIL
[Cross-site redirecting to subdomain fetches are cross-site]
expected: FAIL