def test_get_potcar_symbols(self):
    syms = self.vis.get_potcar_symbols(self.struct)
    self.assertEqual(syms, ['Fe', 'P', 'O'])
def test_get_potcar_symbols(self):
    syms = self.vis.get_potcar_symbols(self.struct)
    self.assertEqual(syms, ['Fe', 'P', 'O'])