def test_do_simple(self):
        """ Simple config resolution """
        rslvr = resolver.Resolver({
            'foo': {
                'module': 'chassis.test.example_classes',
                'class': 'Foo'
            }
        })

        services = rslvr.do()

        self.assertTrue(services in 'foo')
        assert isinstance(services['foo'], Foo)
dataset/ETHPy150Open refinery29/chassis/chassis/test/services/dependency_injection/resolver_test.py/ResolverTest.test_do_simple/swapped operands of `in`