[lock-basic.html]
  expected:
    if os == "mac": [OK, TIMEOUT]
  [Test that screen.orientation.lock returns a promise which will be fulfilled with a void value.]
    expected:
      if os == "mac": [FAIL, TIMEOUT]
      if os == "android": PASS
      FAIL

  [Test that screen.orientation.lock() is actually async]
    expected:
      if os == "mac": [FAIL, NOTRUN]
      if os == "android": PASS
      FAIL

  [Test that screen.orientation.lock returns a pending promise.]
    expected:
      if (os == "win") and not debug and (processor == "x86_64"): [FAIL, PASS]
      if (os == "mac") and debug: [PASS, FAIL, NOTRUN]
      if (os == "mac") and not debug: [PASS, NOTRUN]
      if os == "linux": PASS
      [PASS, FAIL]