diff --git a/server_manager/web_app/karma.conf.js b/server_manager/web_app/karma.conf.js
index 37ee7f65cf..cfaa09163d 100644
--- a/server_manager/web_app/karma.conf.js
+++ b/server_manager/web_app/karma.conf.js
@@ -47,7 +47,7 @@ module.exports = function (config) {
     colors: true,
     logLevel: config.LOG_INFO,
     browsers: ['ChromiumHeadless'],
-    //singleRun: true,
+    singleRun: true,
     concurrency: Infinity,
     webpack: {
       module: baseConfig.module,