def METHOD_NAME(self):
    """ Vette method on Frame class
    """
    frame = get_frame_data()
    # Missing meta data
    self.assertEqual(frame.vet(), 2)
    # Add meta data
    frame.meta = {}
    frame.meta['FLAVOR'] = 'flat'
    self.assertEqual(frame.vet(), 0)
    # Mess with shape
    frame.nspec = 5
    self.assertEqual(frame.vet(), 1)