[fedcm-reject-invalid-responses.https.html]
  expected:
    if (os == "win") and not debug: [ERROR, OK, TIMEOUT]
    if os == "mac": [OK, TIMEOUT, ERROR]
    if os == "linux": [OK, TIMEOUT]
    [OK, ERROR, TIMEOUT]
  [Reject when provider list is empty]
    expected: FAIL

  [Reject when configURL is missing]
    expected:
      if os == "win": [PASS, FAIL, NOTRUN]
      [PASS, FAIL]

  [Reject when configURL is invalid]
    expected:
      if os == "mac": [FAIL, TIMEOUT, PASS, NOTRUN]
      [FAIL, PASS, TIMEOUT, NOTRUN]

  [Reject when clientId is empty]
    expected:
      if (os == "win") and not debug: [NOTRUN, PASS, FAIL, TIMEOUT]
      if os == "mac": [FAIL, TIMEOUT, NOTRUN, PASS]
      [FAIL, PASS, TIMEOUT, NOTRUN]

  [Reject when clientId is missing]
    expected:
      if (os == "win") and not debug: [NOTRUN, PASS, FAIL, TIMEOUT]
      if os == "mac": [PASS, NOTRUN, FAIL, TIMEOUT]
      [PASS, FAIL, TIMEOUT, NOTRUN]