assert response.json() == {
        "username": "Rick",
        "lastname": "Sanchez",
        "age": None,
        "tags": ["foo", "bar"],
        "with": "nothing",
    }


def test_invalid_data():
    response = client.post(
        "/form/",
        data={
            "username": "Rick",
            "lastname": "Sanchez",
            "age": "seventy",
            "tags": ["plumbus", "citadel"],