Simplify some of the plugin testing code.

plugin/someteam.example.com/v1/StringPrefixer.go

@@ -1,20 +1,7 @@
 // +build plugin
 
-/*
-Copyright 2019 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-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
-
-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.
-*/
+// Copyright 2019 The Kubernetes Authors.
+// SPDX-License-Identifier: Apache-2.0
 
 package main
 
@@ -43,7 +30,7 @@ func (p *plugin) Config(
 
 func (p *plugin) Transform(m resmap.ResMap) error {
 	tr, err := transformers.NewNamePrefixSuffixTransformer(
-		p.Metadata.Name + "-", "",
+		p.Metadata.Name+"-", "",
 		config.MakeDefaultConfig().NamePrefix)
 	if err != nil {
 		return err