update integration tests for new event types

pds/server.go

···
 		case evt.RepoCommit != nil:
 			header.MsgType = "#commit"
 			obj = evt.RepoCommit
+		case evt.RepoSync != nil:
+			header.MsgType = "#sync"
+			obj = evt.RepoSync
 		case evt.RepoIdentity != nil:
 			header.MsgType = "#identity"
 			obj = evt.RepoIdentity
···
 		return fmt.Errorf("failed to update handle: %w", err)
 	}
 
+	// Push an Identity event
 	if err := s.events.AddEvent(ctx, &events.XRPCStreamEvent{
 		RepoIdentity: &comatproto.SyncSubscribeRepos_Identity{
 			Did:  u.Did,

testing/utils.go

···
 				es.Lk.Unlock()
 				return nil
 			},
+			RepoSync: func(evt *atproto.SyncSubscribeRepos_Sync) error {
+				fmt.Println("received sync event: ", evt.Seq, evt.Did)
+				es.Lk.Lock()
+				es.Events = append(es.Events, &events.XRPCStreamEvent{RepoSync: evt})
+				es.Lk.Unlock()
+				return nil
+			},
 			RepoIdentity: func(evt *atproto.SyncSubscribeRepos_Identity) error {
 				fmt.Println("received identity event: ", evt.Seq, evt.Did)
 				es.Lk.Lock()