Got initial spec file passing

src/app/app.component.spec.ts

@@ -1,32 +1,42 @@
-import { TestBed, async } from '@angular/core/testing';
+import { TestBed, ComponentFixture, async } from '@angular/core/testing';
+import { RouterTestingModule } from '@angular/router/testing';
+import { DebugElement } from '@angular/core';
+import { By } from '@angular/platform-browser';
+
+// Items under test
 import { AppComponent } from './app.component';
 
 describe('AppComponent', () => {
-  beforeEach(() => {
-    TestBed.configureTestingModule({
-      declarations: [
-        AppComponent
-      ],
-    });
-    TestBed.compileComponents();
-  });
+  let fixture: ComponentFixture<AppComponent>;
+  let app: AppComponent;
+  let de: DebugElement;
+  let appDocument: any;
+
+  beforeEach(async(() => {
+    TestBed
+      .configureTestingModule({
+        declarations: [
+          AppComponent
+        ],
+        imports: [
+          RouterTestingModule.withRoutes(
+            [{path: '', component: AppComponent}]
+          )
+        ]
+      })
+      .compileComponents();
+
+    fixture = TestBed.createComponent(AppComponent);
+    app = fixture.componentInstance;
+    de = fixture.debugElement;
+    appDocument = de.nativeElement;
+  }));
 
   it('should create the app', async(() => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.debugElement.componentInstance;
     expect(app).toBeTruthy();
   }));
 
-  it(`should have as title 'app works!'`, async(() => {
-    const fixture = TestBed.createComponent(AppComponent);
-    const app = fixture.debugElement.componentInstance;
-    expect(app.title).toEqual('app works!');
-  }));
-
-  it('should render title in a h1 tag', async(() => {
-    const fixture = TestBed.createComponent(AppComponent);
-    fixture.detectChanges();
-    const compiled = fixture.debugElement.nativeElement;
-    expect(compiled.querySelector('h1').textContent).toContain('app works!');
+  it('should have a router-outlet', async(() => {
+    expect(appDocument.querySelector('router-outlet')).toBeTruthy();
   }));
 });