refactor

Author: GoodDayForSurf

packages/devextreme-cli/testing/app-template.test.shared.js

@@ -63,6 +63,13 @@ module.exports = (env, { port, urls } = { port: '8080', urls: {} }) => {
 
                         afterAll(async() => {
                             await devServer.stop();
+                            await waitOn({
+                                resources: [appUrl],
+                                reverse: true,
+                                timeout: 10000,
+                                interval: 100,
+                                validateStatus: false
+                            });
                         });
 
                         Object.keys(viewports).forEach((viewportName) => {

packages/devextreme-schematics/src/add-sample-views/files/pages/tasks/tasks.component.ts

@@ -1,5 +1,4 @@
 import { Component } from '@angular/core';
-import 'devextreme-angular/common/data';
 
 @Component({
   templateUrl: 'tasks.component.html',