Try to use Xnvc

Jenkinsfile

@@ -31,8 +31,10 @@ pipeline {
         }
         stage("Test") {
             steps {
+                wrap([$class: 'Xvnc', takeScreenshot: false, useXauthority: true]) {
                     sh "mvn test"
                 }
+            }
             post {
                 success {
                     echo "Generating Test Report..."