wip. refactor

Author: GoodDayForSurf

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

@@ -65,7 +65,7 @@ module.exports = (env, { port } = { port: '8080' }) => {
 
                         afterAll(async() => {
                             console.log('-----afterAll----->', [layout, theme, new Date().toLocaleTimeString()]);
-                            //  await devServer.stop();
+                            await devServer.stop();
                         });
 
                         Object.keys(viewports).forEach((viewportName) => {
@@ -75,7 +75,6 @@ module.exports = (env, { port } = { port: '8080' }) => {
                                 console.log('-------openPage--->', url);
                                 await page.goto('about:blank');
                                 await page.setViewport(viewport);
-                                await new Promise(resolve => setTimeout(resolve, 10000));
                                 console.log('-------openPage-goto-->', url, new Date().toLocaleTimeString());
                                 await page.goto(url, {
                                     waitUntil: 'networkidle0',

packages/devextreme-cli/testing/nextjs-server.js

@@ -13,6 +13,8 @@ module.exports = class NextJsServer {
             // https://github.com/facebook/create-react-app/issues/3657
             env: Object.assign(process.env, { CI: false })
         }));
+
+        await new Promise(resolve => setTimeout(resolve, 5000));
     }
 
     stop() {