[structuredclone_0.html]
  expected:
    if (os == "mac") and debug: TIMEOUT
  [Empty Error objects can be cloned]
    expected:
      if (os == "mac") and debug: TIMEOUT

  [QuotaExceededError objects can be cloned]
    expected: FAIL

  [QuotaExceededError objects with empty quota/requested can be cloned]
    expected: FAIL