Fix angular tests

Author: Mateus Medeiros

src/webapp/src/app/app.component.spec.ts

@@ -1,7 +1,14 @@
 import { TestBed } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
 import { AppComponent } from './app.component';
 
 describe('AppComponent', () => {
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [AppComponent, RouterTestingModule],
+    }).compileComponents();
+  });
+
   it('should create the app', () => {
     const fixture = TestBed.createComponent(AppComponent);
     const app = fixture.componentInstance;