wip. test checking

Author: GoodDayForSurf

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

@@ -23,6 +23,7 @@ module.exports = class NextJsServer {
             this.proc.kill('SIGTERM');
             await new Promise((resolve) => setTimeout(resolve, 1000));
             this.proc.kill('SIGKILL');
+            await new Promise((resolve) => setTimeout(resolve, 1000));
 
             if(process.platform !== 'win32') {
                 console.log(`-----NEXTJS SERVER-exec kill for port ${this.port} ---->`);
@@ -31,10 +32,9 @@ module.exports = class NextJsServer {
                     await new Promise((resolve) => setTimeout(resolve, 1000));
                 } catch(e) {
                     console.log(`NextJs server on port ${this.port} not found. It's OK`);
+                    this.proc = null;
                 }
             }
-
-            this.proc = null;
         }
     }
 };