fix 1.5 ut (#1204)

* update

* update

registry/nacos/service_discovery_test.go

@@ -37,9 +37,7 @@ import (
 	"github.com/apache/dubbo-go/registry"
 )
 
-var (
-	testName = "test"
-)
+var testName = "test"
 
 func Test_newNacosServiceDiscovery(t *testing.T) {
 	name := "nacos1"
@@ -67,7 +65,6 @@ func Test_newNacosServiceDiscovery(t *testing.T) {
 	res, err := newNacosServiceDiscovery(name)
 	assert.Nil(t, err)
 	assert.NotNil(t, res)
-
 }
 
 func TestNacosServiceDiscovery_CRUD(t *testing.T) {
@@ -111,8 +108,8 @@ func TestNacosServiceDiscovery_CRUD(t *testing.T) {
 	err = serviceDiscovery.Register(instance)
 	assert.Nil(t, err)
 
-	//sometimes nacos may be failed to push update of instance,
-	//so it need 10s to pull, we sleep 10 second to make sure instance has been update
+	// sometimes nacos may be failed to push update of instance,
+	// so it need 10s to pull, we sleep 10 second to make sure instance has been update
 	time.Sleep(11 * time.Second)
 	page := serviceDiscovery.GetHealthyInstancesByPage(serviceName, 0, 10, true)
 	assert.NotNil(t, page)
@@ -126,7 +123,7 @@ func TestNacosServiceDiscovery_CRUD(t *testing.T) {
 	assert.Equal(t, host, instance.GetHost())
 	assert.Equal(t, port, instance.GetPort())
 	// TODO: console.nacos.io has updated to nacos 2.0 and serviceName has changed in 2.0, so ignore temporarily.
-	//assert.Equal(t, serviceName, instance.GetServiceName())
+	// assert.Equal(t, serviceName, instance.GetServiceName())
 	assert.Equal(t, 0, len(instance.GetMetadata()))
 
 	instance.Metadata["a"] = "b"