def test_can_call_MAX_predefined_function(self):
p = Pypher()
p.MAX(9, 9)
string = str(p)
params = p.bound_params
expected = 'max(${}, ${})'.format(get_dict_key(params, 9),
get_dict_key(params, 9))
self.assertEqual(1, len(params))
self.assertEqual(expected, string)
