OZG-6668 add logging for testing

internal/server/grpc_router.go

@@ -60,6 +60,7 @@ func (s *collaborationRouter) FindVorgang(ctx context.Context, in *pb.GrpcFindVo
 }
 
 func (s *collaborationRouter) handleRequest(ctx context.Context, handler func(pb.CollaborationServiceClient, context.Context) (interface{}, error)) (interface{}, error) {
+	logger.Info(fmt.Sprintf("setting grpc headers %s: %s", keyClientName, clientName))
 	ctx = metadata.AppendToOutgoingContext(ctx, keyClientName, clientName)
 	md, ok := metadata.FromIncomingContext(ctx)
 	if !ok {