[serial_requestPort.https.window.html]
  [requestPort() returns the selected port]
    expected: FAIL

  [requestPort() rejects if no port has been selected]
    expected: FAIL

  [requestPort() rejects without a user gesture]
    expected: FAIL

  [An empty filter is not valid]
    expected: FAIL

  [requestPort() returns the same port object every time]
    expected: FAIL

  [An empty list of filters is valid]
    expected: FAIL

  [requestPort() requires a USB vendor ID if a product ID specified]
    expected: FAIL