wip. test checking

Author: GoodDayForSurf

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

@@ -46,10 +46,6 @@ module.exports = (env, { port, urls, useDifferentPorts } = { port: '8080', urls:
                             appUrl = `http://${ip.address()}:${currentPort}/`;
                             devServer = new DevServer(env, { port: currentPort });
 
-                            if(page) {
-                                await page.close();
-                            }
-
                             page = await browser.newPage();
 
                             try {