chore(*): trying 2 test executors instead of 3

Author: kdinev

projects/igniteui-angular/karma.conf.js

@@ -21,7 +21,7 @@ module.exports = function (config) {
       '@angular-devkit/build-angular/plugins/karma'
     ],
     parallelOptions: {
-      executors: 3,
+      executors: 2,
       shardStrategy: 'round-robin'
     },
     client: {
@@ -47,7 +47,7 @@ module.exports = function (config) {
     logLevel: config.LOG_INFO,
     autoWatch: true,
     browsers: ['ChromeHeadlessNoSandbox'],
-    browserDisconnectTimeout: 10000,
+    browserDisconnectTimeout: 4000,
     customLaunchers: {
       ChromeHeadlessNoSandbox: {
         base: 'ChromeHeadless',