def METHOD_NAME(self):
    """Execution of 'test_saveNode' implies that the filename associated
    MR-head storage node is set to 'SlicerUtilSaveTests.nrrd'
    """
    filename = slicer.app.temporaryPath + '/SlicerUtilSaveTests'
    self.assertTrue(slicer.util.saveScene(filename))
    self.assertTrue(os.path.exists(filename))
    self.assertTrue(os.path.exists(filename + '/SlicerUtilSaveTests.mrml'))
    self.assertTrue(os.path.exists(filename + '/Data/SlicerUtilSaveTests.nrrd'))