chore(tests): update specs with TestBed

Close #1766
Close #1846

addon/ng2/blueprints/component/files/__path__/__name__.component.spec.ts

@@ -1,8 +1,6 @@
 /* tslint:disable:no-unused-variable */
 
-import { By }           from '@angular/platform-browser';
-import { DebugElement } from '@angular/core';
-import { addProviders, async, inject } from '@angular/core/testing';
+import { TestBed, async } from '@angular/core/testing';
 import { <%= classifiedModuleName %>Component } from './<%= dasherizedModuleName %>.component';
 
 describe('Component: <%= classifiedModuleName %>', () => {

addon/ng2/blueprints/directive/files/__path__/__name__.directive.spec.ts

@@ -1,6 +1,6 @@
 /* tslint:disable:no-unused-variable */
 
-import { addProviders, async, inject } from '@angular/core/testing';
+import { TestBed, async } from '@angular/core/testing';
 import { <%= classifiedModuleName %> } from './<%= dasherizedModuleName %>.directive';
 
 describe('Directive: <%= classifiedModuleName %>', () => {

addon/ng2/blueprints/module/files/__path__/__name__.module.spec.ts

@@ -1,5 +1,6 @@
 /* tslint:disable:no-unused-variable */
 
+import { TestBed, async } from '@angular/core/testing';
 import <%= classifiedModuleName %>Module from './<%= dasherizedModuleName %>.module';
 
 describe('<%= classifiedModuleName %>Module', () => {

addon/ng2/blueprints/ng2/files/__path__/app/app.component.spec.ts

@@ -1,20 +1,33 @@
 /* tslint:disable:no-unused-variable */
 
-import { addProviders, async, inject } from '@angular/core/testing';
+import { TestBed, async } from '@angular/core/testing';
 import { AppComponent } from './app.component';
 
 describe('App: <%= jsComponentName %>', () => {
   beforeEach(() => {
-    addProviders([AppComponent]);
+    TestBed.configureTestingModule({
+      declarations: [
+        AppComponent
+      ],
+    });
   });
 
-  it('should create the app',
-    inject([AppComponent], (app: AppComponent) => {
-      expect(app).toBeTruthy();
-    }));
+  it('should create the app', async(() => {
+    let fixture = TestBed.createComponent(AppComponent);
+    let app = fixture.debugElement.componentInstance;
+    expect(app).toBeTruthy();
+  }));
 
-  it('should have as title \'app works!\'',
-    inject([AppComponent], (app: AppComponent) => {
-      expect(app.title).toEqual('app works!');
-    }));
+  it(`should have as title 'app works!'`, async(() => {
+    let fixture = TestBed.createComponent(AppComponent);
+    let app = fixture.debugElement.componentInstance;
+    expect(app.title).toEqual('app works!');
+  }));
+
+  it('should render title in a h1 tag', async(() => {
+    let fixture = TestBed.createComponent(AppComponent);
+    fixture.detectChanges();
+    let compiled = fixture.debugElement.nativeElement;
+    expect(compiled.querySelector('h1').textContent).toContain('app works!');
+  }));
 });

addon/ng2/blueprints/pipe/files/__path__/__name__.pipe.spec.ts

@@ -1,6 +1,6 @@
 /* tslint:disable:no-unused-variable */
 
-import { addProviders, async, inject } from '@angular/core/testing';
+import { TestBed, async } from '@angular/core/testing';
 import { <%= classifiedModuleName %>Pipe } from './<%= dasherizedModuleName %>.pipe';
 
 describe('Pipe: <%= classifiedModuleName %>', () => {

addon/ng2/blueprints/service/files/__path__/__name__.service.spec.ts

@@ -1,16 +1,16 @@
 /* tslint:disable:no-unused-variable */
 
-import { addProviders, async, inject } from '@angular/core/testing';
+import { TestBed, async, inject } from '@angular/core/testing';
 import { <%= classifiedModuleName %>Service } from './<%= dasherizedModuleName %>.service';
 
 describe('Service: <%= classifiedModuleName %>', () => {
   beforeEach(() => {
-    addProviders([<%= classifiedModuleName %>Service]);
+    TestBed.configureTestingModule({
+      providers: [<%= classifiedModuleName %>Service]
+    });
   });
 
-  it('should ...',
-    inject([<%= classifiedModuleName %>Service],
-      (service: <%= classifiedModuleName %>Service) => {
-        expect(service).toBeTruthy();
-      }));
+  it('should ...', inject([<%= classifiedModuleName %>Service], (service: <%= classifiedModuleName %>Service) => {
+    expect(service).toBeTruthy();
+  }));
 });