techdocs-node: remove custom test setup

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/techdocs-node/package.json

@@ -72,10 +72,5 @@
     "@types/recursive-readdir": "^2.2.0",
     "@types/supertest": "^2.0.8",
     "supertest": "^6.1.3"
-  },
-  "jest": {
-    "roots": [
-      ".."
-    ]
   }
 }

plugins/techdocs-node/src/setupTests.ts

@@ -1,20 +0,0 @@
-/*
- * Copyright 2020 The Backstage 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.
- */
-
-import { StorageFilesMock } from './testUtils/StorageFilesMock';
-
-(global as any).rootDir = StorageFilesMock.rootDir;
-(global as any).storageFilesMock = new StorageFilesMock();