def METHOD_NAME():
    # GIVEN
    app = AppSyncResolver()
    @app.resolver(type_name="Query", field_name="noParams")
    def no_params():
        return "no_params has no params"
    event = {"typeName": "Query", "fieldName": "noParams", "arguments": {}}
    # WHEN
    result = app.resolve(event, LambdaContext())
    # THEN
    assert result == "no_params has no params"