def METHOD_NAME(self):
    view = tv.view_file(root, 'Title', __file__, 'ascii', modal=False)
    self.assertIsInstance(view, tv.ViewWindow)
    self.assertIsInstance(view.viewframe, tv.ViewFrame)
    get = view.viewframe.textframe.text.get
    self.assertIn('Test', get('1.0', '1.end'))
    view.ok()