chore: enable old ignored tests (#3531)

Author: Foxandxss

public/docs/_examples/pipes/e2e-spec.ts

@@ -1,4 +1,4 @@
-'use strict'; // necessary for es6 output in node 
+'use strict'; // necessary for es6 output in node
 
 import { browser, element, by } from 'protractor';
 
@@ -64,7 +64,7 @@ describe('Pipes', function () {
   });
 
 
-  xit('should support flying heroes (pure) ', function () {
+  it('should support flying heroes (pure) ', function () {
     let nameEle = element(by.css('flying-heroes input[type="text"]'));
     let canFlyCheckEle = element(by.css('flying-heroes #can-fly'));
     let mutateCheckEle = element(by.css('flying-heroes #mutate'));
@@ -90,7 +90,7 @@ describe('Pipes', function () {
   });
 
 
-  xit('should support flying heroes (impure) ', function () {
+  it('should support flying heroes (impure) ', function () {
     let nameEle = element(by.css('flying-heroes-impure input[type="text"]'));
     let canFlyCheckEle = element(by.css('flying-heroes-impure #can-fly'));
     let mutateCheckEle = element(by.css('flying-heroes-impure #mutate'));

public/docs/_examples/user-input/e2e-spec.ts

@@ -1,4 +1,4 @@
-'use strict'; // necessary for es6 output in node 
+'use strict'; // necessary for es6 output in node
 
 import { browser, element, by, protractor } from 'protractor';
 
@@ -53,7 +53,7 @@ describe('User Input Tests', function () {
     expect(outputTextEle.getText()).toEqual('a | ab | abc |');
   });
 
-  xit('should be able to filter key events', () => {
+  it('should be able to filter key events', () => {
     let mainEle = element(by.css('key-up3'));
     let inputEle = mainEle.element(by.css('input'));
     let outputTextEle = mainEle.element(by.css('p'));