[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