chore: update deprecated test functions

src/app/about/about.spec.ts

@@ -2,18 +2,16 @@ import { TestComponentBuilder } from '@angular/compiler/testing';
 import { Component } from '@angular/core';
 import { ActivatedRoute } from '@angular/router';
 import {
-  beforeEachProviders,
-  describe,
-  inject,
-  it
+  addProviders,
+  inject
 } from '@angular/core/testing';
 
 // Load the implementations that should be tested
 import { About } from './about.component';
 
 describe('About', () => {
   // provide our implementations or mocks to the dependency injector
-  beforeEachProviders(() => [
+  beforeEach(() => addProviders([
     // provide a better mock
     {
       provide: ActivatedRoute,
@@ -24,7 +22,7 @@ describe('About', () => {
       }
     },
     About
-  ]);
+  ]));
 
   it('should log ngOnInit', inject([ About ], (about) => {
     spyOn(console, 'log');

src/app/app.spec.ts

@@ -1,7 +1,6 @@
 import {
-  beforeEachProviders,
-  inject,
-  it
+  addProviders,
+  inject
 } from '@angular/core/testing';
 
 // Load the implementations that should be tested
@@ -10,10 +9,10 @@ import { AppState } from './app.service';
 
 describe('App', () => {
   // provide our implementations or mocks to the dependency injector
-  beforeEachProviders(() => [
+  beforeEach(() => addProviders([
     AppState,
     App
-  ]);
+  ]));
 
   it('should have a url', inject([ App ], (app) => {
     expect(app.url).toEqual('https://twitter.com/AngularClass');

src/app/home/home.spec.ts

@@ -1,8 +1,6 @@
 import {
-  beforeEachProviders,
-  describe,
-  inject,
-  it
+  addProviders,
+  inject
 } from '@angular/core/testing';
 import { Component } from '@angular/core';
 import { BaseRequestOptions, Http } from '@angular/http';
@@ -15,7 +13,7 @@ import { Title } from './title';
 
 describe('Home', () => {
   // provide our implementations or mocks to the dependency injector
-  beforeEachProviders(() => [
+  beforeEach(() => addProviders([
     BaseRequestOptions,
     MockBackend,
     {
@@ -29,7 +27,7 @@ describe('Home', () => {
     AppState,
     Title,
     Home
-  ]);
+  ]));
 
   it('should have default data', inject([ Home ], (home) => {
     expect(home.localState).toEqual({ value: '' });

src/app/home/title/title.spec.ts

@@ -1,7 +1,6 @@
 import {
-  beforeEachProviders,
-  inject,
-  it
+  addProviders,
+  inject
 } from '@angular/core/testing';
 import { TestComponentBuilder } from '@angular/compiler/testing';
 import { Component } from '@angular/core';
@@ -11,7 +10,7 @@ import { MockBackend } from '@angular/http/testing';
 import { Title } from './title.service';
 
 describe('Title', () => {
-  beforeEachProviders(() => [
+  beforeEach(() => addProviders([
     BaseRequestOptions,
     MockBackend,
     {
@@ -23,7 +22,7 @@ describe('Title', () => {
     },
 
     Title
-  ]);
+  ]));
 
 
   it('should have http', inject([ Title ], (title) => {

src/app/home/x-large/x-large.spec.ts

@@ -1,9 +1,7 @@
 import {
   async,
-  beforeEachProviders,
-  describe,
-  inject,
-  it
+  addProviders,
+  inject
 } from '@angular/core/testing';
 import { TestComponentBuilder } from '@angular/compiler/testing';
 import { Component } from '@angular/core';