def test_set_release_fails(self, galaxy):
cube = Cube(plateifu=galaxy.plateifu)
with pytest.raises(MarvinError) as ee:
cube.release = 'a'
assert 'the release cannot be changed' in str(ee.value)
def test_set_release_fails(self):
cube = Cube(plateifu=self.plateifu)
with self.assertRaises(MarvinError) as ee:
cube.release = 'a'
self.assertIn('the release cannot be changed', str(ee.exception))
