def METHOD_NAME(self):
    """
    Creates the GUI containing the ArtistGroupWidget and the matplotlib figure axes.
    """
    import matplotlib
    matplotlib.rcParams["figure.figsize"] = (6.4, 4.8)
    matplotlib.rcParams["figure.dpi"] = (100)
    self._filename = "{}_test_*.csv".format(self.__class__.__name__)
    self._widget = VectorPostprocessorViewer(timeout=None)
    self._widget.onSetFilenames([self._filename])