Function test_payload_service 

pub fn test_payload_service<T>() -> (PayloadBuilderService<TestPayloadJobGenerator, Empty<CanonStateNotification>, T>, PayloadBuilderHandle<T>)
where
    T: PayloadTypes<PayloadAttributes = PayloadAttributes, BuiltPayload = EthBuiltPayload>,

Available on crate features test-utils only.

Creates a new PayloadBuilderService for testing purposes.