def test_returns_empty_list_for_exit_code_1(self):
    with mock.patch.object(utils, 'execute', side_effect=RuntimeError('Exit code: 1')):
        self.assertEqual(utils.find_child_pids((- 1)), [])
def test_returns_empty_list_for_exit_code_1(self):
    with mock.patch.object(utils, 'execute', side_effect=RuntimeError('Exit code: 1')):
        self.assertEqual(utils.find_child_pids((- 1)), [])