test(loading): add e2e test for loading in tabs and remove animation for basic e2e

references #5426

ionic/components/loading/test/tabs/e2e.ts

@@ -0,0 +1,4 @@
+
+it('should show default spinner', function() {
+  element(by.css('.e2eLoadingTabsContent')).click();
+});

ionic/components/loading/test/tabs/index.ts

@@ -0,0 +1,74 @@
+import {App, Page, ActionSheet, Loading, NavController, ViewController, Platform} from 'ionic-angular';
+
+
+@Page({
+  templateUrl: 'main.html'
+})
+class E2EPage {
+  constructor(private nav: NavController, private platform: Platform) {}
+
+  presentLoading() {
+    let loading = Loading.create({
+      spinner: 'hide',
+      content: 'Loading...',
+      duration: 1000
+    });
+
+    this.nav.present(loading);
+  }
+
+  presentLoadingNav() {
+    let loading = Loading.create({
+      content: 'Please wait...',
+    });
+
+    this.nav.present(loading);
+
+    setTimeout(() => {
+      this.nav.push(Page2);
+
+      setTimeout(() => {
+        loading.dismiss();
+      }, 1000);
+    }, 1000);
+  }
+
+}
+
+@Page({
+  template: `
+    <ion-navbar *navbar>
+      <ion-title>Page 2</ion-title>
+    </ion-navbar>
+    <ion-content padding>Some content</ion-content>
+  `
+})
+class Page2 {
+  constructor(private nav: NavController, private platform: Platform) {}
+}
+
+@Page({
+  template: `
+    <ion-tabs>
+      <ion-tab tabTitle="Plain List" tabIcon="star" [root]="root1"></ion-tab>
+      <ion-tab tabTitle="Schedule" tabIcon="globe" [root]="root2"></ion-tab>
+      <ion-tab tabTitle="Stopwatch" tabIcon="stopwatch" [root]="root3"></ion-tab>
+    </ion-tabs>
+  `
+})
+export class TabsPage {
+  private root1 = E2EPage;
+  private root2 = Page2;
+  private root3 = E2EPage;
+
+  constructor() {
+
+  }
+}
+
+@App({
+  template: '<ion-nav [root]="root"></ion-nav>'
+})
+class E2EApp {
+  root = TabsPage;
+}

ionic/components/loading/test/tabs/main.html

@@ -0,0 +1,9 @@
+
+<ion-navbar *navbar>
+  <ion-title>Loading</ion-title>
+</ion-navbar>
+
+<ion-content padding>
+  <button block (click)="presentLoading()" class="e2eLoadingTabsContent">Loading Content</button>
+  <button block (click)="presentLoadingNav()">Loading w/ Nav</button>
+</ion-content>