fix(tslint): solve some tslint issues

Author: Ismael Ramos

e2e/src/modules/heroes/heroes-list/heroes-list-page.e2e-spec.ts

@@ -1,7 +1,7 @@
 import {HeroesListPage} from './heroes-list-page';
 import {browser} from 'protractor';
 
-describe('Heroes list page', function () {
+describe('Heroes list page', () => {
   let page;
 
   beforeEach(() => {

e2e/src/shared/home/home-page.e2e-spec.ts

@@ -2,7 +2,7 @@ import {HomePage} from './home-page';
 import {AppConfig} from '../../../../src/app/configs/app.config';
 import {browser} from 'protractor';
 
-describe('Home page', function () {
+describe('Home page', () => {
   let page;
 
   beforeEach(() => {