def test_get_root(client: TestClient):
    response = client.get("/")
    assert response.status_code == 200
    assert response.json() == {"hello world": "ba"}


def test_uvicorn_run_called_when_run_as_main():  # Just for coverage
    if sys.modules.get(MOD_NAME):
        del sys.modules[MOD_NAME]
    with unittest.mock.patch("uvicorn.run") as uvicorn_run_mock:
        runpy.run_module(MOD_NAME, run_name="__main__")