Simplify some of the plugin testing code.

pkg/kusttest/kusttestharness.go

@@ -1,18 +1,5 @@
-/*
-Copyright 2018 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 kusttest_test
 
@@ -49,6 +36,11 @@ func NewKustTestHarness(t *testing.T, path string) *KustTestHarness {
 		t, path, plugin.DefaultPluginConfig())
 }
 
+func NewKustTestPluginHarness(t *testing.T, path string) *KustTestHarness {
+	return NewKustTestHarnessWithPluginConfig(
+		t, path, plugin.ActivePluginConfig())
+}
+
 func NewKustTestHarnessWithPluginConfig(
 	t *testing.T, path string,
 	pc *types.PluginConfig) *KustTestHarness {