'Test returns None if the badge class does not exist.'

def test_get_badge_class_nocreate(self):

    badge_class = BadgeClass.get_badge_class(slug='new_slug', issuing_component='new_component', create=False)
    self.assertIsNone(badge_class)
    badge_class = BadgeClass.get_badge_class(slug='new_slug', issuing_component='new_component', description=None, criteria=None, display_name=None, image_file_handle=None, create=False)
    self.assertIsNone(badge_class)
