test(docs): add extra docs e2e tests

docs/app/e2e/api-docs/api-pages.scenario.js

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+'use strict';
+
+describe("doc.angularjs.org", function() {
+
+  describe("API pages", function() {
+
+    it("should display links to code on GitHub", function() {
+      browser.get('index-debug.html#!/api/ng/service/$http');
+      expect(element(by.css('.improve-docs')).getAttribute('href')).toMatch(/https?:\/\/github\.com\/angular\/angular\.js\/edit\/.+\/src\/ng\/http\.js/);
+
+      browser.get('index-debug.html#!/api/ng/service/$http');
+      expect(element(by.css('.view-source')).getAttribute('href')).toMatch(/https?:\/\/github\.com\/angular\/angular\.js\/tree\/.+\/src\/ng\/http\.js#L\d+/);
+    });
+
+    it('should change the page content when clicking a link to a service', function () {
+      browser.get('');
+
+      var ngBindLink = element(by.css('.definition-table td a[href="api/ng/directive/ngClick"]'));
+      ngBindLink.click();
+
+      var pageBody = element(by.css('h1'));
+      expect(pageBody.getText()).toEqual('ngClick');
+    });
+
+
+    it('should show the functioning input directive example', function () {
+      browser.get('index-debug.html#!/api/ng/directive/input');
+
+      // Ensure that the page is loaded before trying to switch frames.
+      browser.waitForAngular();
+
+      browser.switchTo().frame('example-input-directive');
+
+      var nameInput = element(by.model('user.name'));
+      nameInput.sendKeys('!!!');
+
+      var code = element.all(by.css('tt')).first();
+      expect(code.getText()).toContain('guest!!!');
+    });
+  });
+});

docs/app/e2e/api-docs/provider-pages.scenario.js

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+'use strict';
+
+describe("provider pages", function() {
+
+  it("should show the related service", function() {
+    browser.get('index-debug.html#!/api/ng/provider/$compileProvider');
+    var serviceLink = element.all(by.css('ol.api-profile-header-structure li a')).first();
+    expect(serviceLink.getText()).toEqual('- $compile');
+    expect(serviceLink.getAttribute('href')).toMatch('api/ng/service/$compile');
+  });
+
+});

docs/app/e2e/api-docs/service-pages.scenario.js

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+'use strict';
+
+describe("service pages", function() {
+
+  it("should show the related provider if there is one", function() {
+    browser.get('index-debug.html#!/api/ng/service/$compile');
+    var providerLink = element.all(by.css('ol.api-profile-header-structure li a')).first();
+    expect(providerLink.getText()).toEqual('- $compileProvider');
+    expect(providerLink.getAttribute('href')).toMatch('api/ng/provider/$compileProvider');
+
+    browser.get('index-debug.html#!/api/ng/service/$q');
+    providerLink = element.all(by.css('ol.api-profile-header-structure li a')).first();
+    expect(providerLink.getText()).not.toEqual('- $qProvider');
+    expect(providerLink.getAttribute('href')).not.toMatch('api/ng/provider/$compileProvider');
+  });
+
+  it("should show parameter defaults", function() {
+    browser.get('index-debug.html#!/api/ng/service/$timeout');
+    expect(element.all(by.css('.input-arguments p em')).first().getText()).toContain('(default: 0)');
+  });
+
+});