Fix unit tests

src/app/app.component.spec.ts

@@ -1,13 +1,19 @@
 import {async, TestBed} from '@angular/core/testing';
+import { InjectionToken } from "@angular/core";
 import {AppComponent} from './app.component';
 import {ToolbarComponent} from "./toolbar/toolbar.component";
 import {RouterTestingModule} from "@angular/router/testing";
 import { MatSidenavModule } from "@angular/material/sidenav";
 import { MatToolbarModule } from "@angular/material/toolbar";
 import {NoopAnimationsModule} from "@angular/platform-browser/animations";
+import { RouterlessTracking } from "angulartics2";
+import { Angulartics2Piwik } from "angulartics2/piwik";
 
 describe('AppComponent', () => {
+  let piwik: Angulartics2Piwik;
+
   beforeEach(async(() => {
+    piwik = jasmine.createSpyObj('piwik', ['startTracking']);
     TestBed.configureTestingModule({
       imports: [
         RouterTestingModule,
@@ -19,11 +25,23 @@ describe('AppComponent', () => {
         AppComponent,
         ToolbarComponent
       ],
+      providers: [
+        { provide: Angulartics2Piwik, useValue: piwik },
+      ],
     }).compileComponents();
   }));
+
   it('should create the app', async(() => {
     const fixture = TestBed.createComponent(AppComponent);
     const app = fixture.debugElement.componentInstance;
     expect(app).toBeTruthy();
   }));
+
+  it('should call start tracking once loaded', () => {
+    const fixture = TestBed.createComponent(AppComponent);
+    const app = fixture.debugElement.componentInstance;
+
+    expect(piwik.startTracking).toHaveBeenCalled();
+  });
+
 });

src/app/toolbar/toolbar.component.spec.ts

@@ -41,8 +41,9 @@ describe('ToolbarComponent', () => {
 
   it('should contain 4 links, Home, Resume, Projects, Contact', () => {
     let debugElements = fixture.debugElement.queryAll((element) => {
-      return element.nativeElement.class == 'span'
+      return element.nativeElement.className.indexOf("mat-toolbar") != -1;
     });
-    expect(debugElements[0].nativeElement).toBe("span");
+
+    expect(debugElements[0].children.length).toBe(4);
   });
 });