[transition-events-with-document-change.html]
  expected:
    if (os == "win") and debug and (processor == "x86"): TIMEOUT
    if (os == "linux") and not fission and debug: [OK, TIMEOUT]
    if (os == "linux") and not fission and not debug: [TIMEOUT, OK]
    if (os == "linux") and fission: [OK, TIMEOUT]
  [transition events for an element changing document]
    expected:
      if (os == "win") and debug and (processor == "x86"): TIMEOUT
      if (os == "linux") and not fission and debug: [PASS, TIMEOUT]
      if (os == "linux") and not fission and not debug: [TIMEOUT, PASS]
      if (os == "linux") and fission: [PASS, TIMEOUT]