def METHOD_NAME(self):
    # set the dir to the output from the previously correct run
    self._expected_output_dir = os.path.join(SAMPLE_DIR, 'Occam2d')
    if not os.path.isdir(self._expected_output_dir):
        self._expected_output_dir = None
    # directory to save created input files
    self._output_dir = make_temp_dir('Occam2d', self._temp_dir)