fix linter

Signed-off-by: Nikita Skrynnik <nikita.skrynnik@xored.com>

pkg/registry/etcd/nse_server_test.go

@@ -8,13 +8,14 @@
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at:
 //
-//	http://www.apache.org/licenses/LICENSE-2.0
+//     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package etcd_test
 
 import (