test(ngmodule): update to ngmodule

src/components/picker/test/basic/app-module.ts

@@ -1,12 +1,12 @@
-import { Component, ViewEncapsulation } from '@angular/core';
-import { ionicBootstrap, PickerController } from '../../../../../src';
+import { Component, ViewEncapsulation, NgModule } from '@angular/core';
+import { IonicApp, IonicModule, PickerController } from '../../../..';
 
 
 @Component({
   templateUrl: 'main.html',
   encapsulation: ViewEncapsulation.None,
 })
-class E2EPage {
+export class E2EPage {
   smoothie: string;
   timer: string;
 
@@ -213,8 +213,22 @@ class E2EPage {
 @Component({
   template: '<ion-nav [root]="root"></ion-nav>'
 })
-class E2EApp {
+export class E2EApp {
   root = E2EPage;
 }
 
-ionicBootstrap(E2EApp);
+@NgModule({
+  declarations: [
+    E2EApp,
+    E2EPage
+  ],
+  imports: [
+    IonicModule.forRoot(E2EApp)
+  ],
+  bootstrap: [IonicApp],
+  entryComponents: [
+    E2EApp,
+    E2EPage
+  ]
+})
+export class AppModule {}