[events.html] prefs: [docshell.shistory.bfcache.ship_allow_beforeunload_listeners:true] expected: if not debug and not asan and (os == "mac"): [OK, CRASH] if not debug and not asan and (os == "android"): [CRASH, OK] if not debug and asan: CRASH if debug: CRASH [unload] expected: if os == "android": PASS PRECONDITION_FAILED