diff --git a/demo-shell/karma.conf.js b/demo-shell/karma.conf.js
index ba7b1277b0..87c6049f60 100644
--- a/demo-shell/karma.conf.js
+++ b/demo-shell/karma.conf.js
@@ -50,7 +50,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: false
     });
 };
diff --git a/lib/content-services/karma.conf.js b/lib/content-services/karma.conf.js
index 0e0e0ab18e..a90fcc3d1e 100644
--- a/lib/content-services/karma.conf.js
+++ b/lib/content-services/karma.conf.js
@@ -82,7 +82,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: true
     });
 };
diff --git a/lib/core/karma.conf.js b/lib/core/karma.conf.js
index e83228a122..8a2435ab02 100644
--- a/lib/core/karma.conf.js
+++ b/lib/core/karma.conf.js
@@ -101,7 +101,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: true
     });
     process.env.TZ = 'UTC';
diff --git a/lib/core/src/lib/clipboard/clipboard.service.spec.ts b/lib/core/src/lib/clipboard/clipboard.service.spec.ts
index 3dd80dbd03..69f4c0fa4a 100644
--- a/lib/core/src/lib/clipboard/clipboard.service.spec.ts
+++ b/lib/core/src/lib/clipboard/clipboard.service.spec.ts
@@ -69,7 +69,9 @@ describe('ClipboardService', () => {
     });
 
     it('should notify copy to clipboard with message', () => {
+        spyOn(navigator.clipboard, 'writeText');
         spyOn(notificationService, 'openSnackMessage');
+
         inputElement.value = 'some text';
 
         clipboardService.copyToClipboard(inputElement, 'success');
diff --git a/lib/extensions/karma.conf.js b/lib/extensions/karma.conf.js
index 6151acc75a..4f187b9a43 100644
--- a/lib/extensions/karma.conf.js
+++ b/lib/extensions/karma.conf.js
@@ -25,7 +25,7 @@ module.exports = function (config) {
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: [/*'Chrome',*/ 'ChromeHeadless'],
+    browsers: ['ChromeHeadless'],
     customLaunchers: {
         ChromeHeadless: {
             base: 'Chrome',
diff --git a/lib/insights/karma.conf.js b/lib/insights/karma.conf.js
index ffa3aaaa9f..5e76cd4efd 100644
--- a/lib/insights/karma.conf.js
+++ b/lib/insights/karma.conf.js
@@ -83,7 +83,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: true
     });
 };
diff --git a/lib/process-services-cloud/karma.conf.js b/lib/process-services-cloud/karma.conf.js
index b8ff16d853..190945f0a5 100644
--- a/lib/process-services-cloud/karma.conf.js
+++ b/lib/process-services-cloud/karma.conf.js
@@ -81,7 +81,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: true
     });
     process.env.TZ = 'UTC';
diff --git a/lib/process-services/karma.conf.js b/lib/process-services/karma.conf.js
index 34b269157e..834d5b1a72 100644
--- a/lib/process-services/karma.conf.js
+++ b/lib/process-services/karma.conf.js
@@ -77,7 +77,7 @@ module.exports = function (config) {
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
-        browsers: ['Chrome'],
+        browsers: ['ChromeHeadless'],
         singleRun: true
     });
     process.env.TZ = 'UTC';
diff --git a/lib/testing/karma.conf.js b/lib/testing/karma.conf.js
index 5393f40382..57bb588f2e 100644
--- a/lib/testing/karma.conf.js
+++ b/lib/testing/karma.conf.js
@@ -24,7 +24,7 @@ module.exports = function (config) {
     colors: true,
     logLevel: config.LOG_INFO,
     autoWatch: true,
-    browsers: ['Chrome'],
+    browsers: ['ChromeHeadless'],
     singleRun: true
   });
 };