private static AssetInspectorWindow GetTestAssetWindow()
    {
        var asset = AssetDatabase.LoadAssetAtPath <InputActionAsset>("Packages/com.unity.inputsystem/Tests/InputSystem/Editor/TestAsset.inputactions");

        AssetInspectorWindow.OnOpenAsset(asset.GetInstanceID(), -1);
        var w = Resources.FindObjectsOfTypeAll <AssetInspectorWindow>()[0];

        return(w);
    }
    static void Init()
    {
        AssetInspectorWindow editor = (AssetInspectorWindow)EditorWindow.GetWindow(typeof(AssetInspectorWindow));

        editor.titleContent = new GUIContent("Asset Inspector");
    }