factor out into common crate

streams/src/test.rs

@@ -6,9 +6,9 @@ mod timebin;
 use err::Error;
 use futures_util::{stream, Stream};
 use items::{sitem_data, Sitemty};
+use items_0::Empty;
 use items_2::channelevents::ChannelEvents;
 use items_2::eventsdim0::EventsDim0;
-use items_2::Empty;
 use netpod::timeunits::SEC;
 use std::pin::Pin;