}
			}

			if c.expSecureDiscoveryService {
				if s.secureGrpcServer == nil {
					t.Errorf("Istiod secure grpc server was not started.")
				}
			}
		})
	}
}

func TestReloadIstiodCert(t *testing.T) {
	dir := t.TempDir()
	stop := make(chan struct{})
	s := &Server{
		fileWatcher:             filewatcher.NewWatcher(),
		server:                  server.New(),