[fedcm-multi-idp-mediation-optional.https.html]
  expected:
    if (os == "win") and not debug and (processor == "x86_64"): [ERROR, TIMEOUT, OK]
    if (os == "win") and not debug and (processor == "x86"): [ERROR, OK, TIMEOUT]
  [Mediation optional can succeed without a returning account.]
    expected: FAIL

  [Mediation optional automatically succeeds when there is one returning account.]
    expected: FAIL

  [Mediation optional can succeed when there is more than one returning account.]
    expected:
      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, TIMEOUT]
      if (os == "win") and not debug and (processor == "x86"): [FAIL, TIMEOUT]
      FAIL