[unlock.html]
  expected:
    if (os == "mac") and debug: [OK, TIMEOUT]
  [unlock() aborts a pending lock request]
    expected:
      if (os == "mac") and debug: [FAIL, NOTRUN]
      if (os == "mac") and not debug: FAIL
      if os == "linux": FAIL

  [unlock() aborts a pending lock request across documents]
    expected:
      if (os == "mac") and debug: [FAIL, NOTRUN]
      FAIL

  [unlock() doesn't throw when there is no lock with fullscreen]
    expected:
      if (os == "mac") and debug: [PASS, TIMEOUT]

  [unlock() doesn't throw when there is no lock]
    expected:
      if (os == "mac") and debug and (version == "OS X 14.7"): [PASS, FAIL]

  [unlock() returns a void value]
    expected:
      if (os == "mac") and debug and (version == "OS X 14.7"): [PASS, FAIL]