redis subscriptions fix

server/router_test.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -33,7 +34,7 @@ func newTestRouter(t *testing.T) (*RedisRouter, *miniredis.Miniredis) {
 			Addr: mr.Addr(),
 		}),
 		InvitationTimeout: 3600,
-		Context:           nil,
+		Context:           context.Background(),
 	}
 	// seed the statistics:start key that NewRedisRouter normally sets
 	router.Client.Set("statistics:start", time.Now().UTC().Format(time.RFC3339), 0)