[active-observable.html]
  expected:
    if os == "mac": [OK, TIMEOUT]

  [Non-primary (right) button press activates :active]
    expected:
      if os == "mac": [PASS, FAIL, TIMEOUT, NOTRUN]

  [Non-primary (middle) button press activates :active]
    expected:
      if os == "mac": [PASS, FAIL, TIMEOUT, NOTRUN]