def METHOD_NAME(self):
    sym = get_magnetic_symmetry(self._cell_Ni, with_time_reversal=False)
    self.assertEqual(8, len(sym["rotations"]))
    np.testing.assert_equal(sym["equivalent_atoms"], [0])
    # type-III magnetic space group
    sym2 = get_magnetic_symmetry(self._cell_Ni)
    self.assertEqual(16, len(sym2["rotations"]))
    self.assertEqual(16, len(sym2["translations"]))
    self.assertEqual(16, len(sym2["time_reversals"]))