Add test

plugins/explore-react/package.json

@@ -23,11 +23,9 @@
     "build": "backstage-cli plugin:build",
     "lint": "backstage-cli lint",
     "test": "backstage-cli test",
-    "diff": "backstage-cli plugin:diff",
     "clean": "backstage-cli clean",
     "prepack": "backstage-cli prepack",
-    "postpack": "backstage-cli postpack",
-    "start": "backstage-cli plugin:serve"
+    "postpack": "backstage-cli postpack"
   },
   "dependencies": {
     "@backstage/core": "^0.5.0"

plugins/explore-react/src/tools/api.test.ts

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * 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.
+ */
+import { exploreToolsConfigRef } from './api';
+
+describe('api', () => {
+  // This is a dummy test to have at least one test in the package.
+  it('api ref exists', () => {
+    expect(exploreToolsConfigRef.id).toBe('plugin.explore.toolsconfig');
+  });
+});