[idlharness.window.html]
  [BeforeInstallPromptEvent interface: existence and properties of interface object]
    expected: FAIL

  [BeforeInstallPromptEvent interface object length]
    expected: FAIL

  [BeforeInstallPromptEvent interface object name]
    expected: FAIL

  [BeforeInstallPromptEvent interface: existence and properties of interface prototype object]
    expected: FAIL

  [BeforeInstallPromptEvent interface: existence and properties of interface prototype object's "constructor" property]
    expected: FAIL

  [BeforeInstallPromptEvent interface: existence and properties of interface prototype object's @@unscopables property]
    expected: FAIL

  [BeforeInstallPromptEvent interface: operation prompt()]
    expected: FAIL

  [BeforeInstallPromptEvent must be primary interface of new BeforeInstallPromptEvent("type")]
    expected: FAIL

  [Stringification of new BeforeInstallPromptEvent("type")]
    expected: FAIL

  [BeforeInstallPromptEvent interface: new BeforeInstallPromptEvent("type") must inherit property "prompt()" with the proper type]
    expected: FAIL

  [Window interface: attribute onappinstalled]
    expected: FAIL

  [Window interface: attribute onbeforeinstallprompt]
    expected: FAIL

  [Window interface: window must inherit property "onappinstalled" with the proper type]
    expected: FAIL

  [Window interface: window must inherit property "onbeforeinstallprompt" with the proper type]
    expected: FAIL

