[wheel-event-composed.html]
  expected:
    if os == "linux": [OK, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled
    if os == "mac": [OK, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled
    if os == "win": [OK, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled

  [wheel event must be composed]
    expected:
      if os == "linux": [PASS, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled
      if os == "mac": [PASS, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled
      if os == "win": [PASS, TIMEOUT] # Bug 2058132 - timeout with Nova design enabled