fix missing error check, improve get test

internal/db/db_test.go

@@ -144,7 +144,9 @@ func TestTelemDb(t *testing.T) {
 		if err != nil {
 			t.Fatalf("error getting packets: %v", err)
 		}
-		t.Log(pkt)
+		if len(pkt) != 1 {
+			t.Fatalf("expected exactly one response, got %d", len(pkt))
+		}
 	})
 
 	t.Run("test read-write packet", func(t *testing.T) {

internal/db/getters.go

@@ -93,6 +93,9 @@ func (tdb *TelemDb) GetPackets(ctx context.Context, filter BusEventFilter, optio
 			Name: ev.Name,
 		}
 		BusEv.Data, err = skylab.FromJson(ev.Name, ev.Data)
+		if err != nil {
+			return events, nil
+		}
 		events = append(events, BusEv)
 	}