def test_base_runtime_must_have_url_in_kwargs():
    with raises(KeyError) as excinfo:
        BaseRuntime()

    assert str(excinfo.value) in 'url'
dataset/ETHPy150Open zoofIO/flexx/flexx/webruntime/tests/test_runtimes.py/test_base_runtime_must_have_url_in_kwargs/swapped operands of `in`