[compute_pressure_basic_async.tentative.https.window.html]
  [Basic functionality test]
    expected: FAIL

  [Removing observer before observe() resolves works]
    expected: FAIL

  [Return NotSupportedError when calling observer()]
    expected: FAIL

  [Calling observe() multiple times works]
    expected: FAIL

  [Starting a new observer after an observer has started works]
    expected: FAIL