Updated e2e spec to remove warning

on
element(by.css(.phones li a)).click();

selenium will throw a warning message that more then one element found.

element.all(by.css('.phones li a')).first().click(); fixes the issue

Author: vikramsoni2

docs/content/tutorial/step_06.ngdoc

@@ -73,7 +73,7 @@ __`test/e2e/scenarios.js`__:
     it('should render phone specific links', function() {
       var query = element(by.model('query'));
       query.sendKeys('nexus');
-      element(by.css('.phones li a')).click();
+      element.all(by.css('.phones li a')).first().click();
       browser.getLocationAbsUrl().then(function(url) {
         expect(url.split('#')[1]).toBe('/phones/nexus-s');
       });