bugfix: fix broken unit test example

package.json

@@ -12,6 +12,7 @@
     "start:hmr": "node dist/server",
     "lint": "tslint -p tsconfig.json -c tslint.json",
     "test": "jest",
+    "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:e2e": "jest --config ./test/jest-e2e.json",
     "webpack": "webpack --config webpack.config.js"
@@ -22,6 +23,7 @@
     "@nestjs/microservices": "^5.0.0",
     "@nestjs/testing": "^5.0.0",
     "@nestjs/websockets": "^5.0.0",
+    "reflect-metadata": "^0.1.12",
     "rxjs": "^5.5.6",
     "typescript": "^2.6.2"
   },

src/app.controller.spec.ts

@@ -1,6 +1,7 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
 import { AppController } from './app.controller';
+import { AppService } from './app.service';
 
 describe('AppController', () => {
   let app: TestingModule;
@@ -8,6 +9,7 @@ describe('AppController', () => {
   beforeAll(async () => {
     app = await Test.createTestingModule({
       controllers: [AppController],
+      providers: [AppService],
     }).compile();
   });
 

test/app.e2e-spec.ts

@@ -15,7 +15,7 @@ describe('AppController (e2e)', () => {
     await app.init();
   });
 
-  it('/GET /', () => {
+  it('/ (GET)', () => {
     return request(app.getHttpServer())
       .get('/')
       .expect(200)