Switch back to Xvfb to see if it works

Dockerfile

@@ -3,4 +3,6 @@ MAINTAINER Goudham Suresh
 
 RUN apt-get update && apt-get install -y \
     gpg \
-    tightvncserver
+    xvfb
+RUN Xvfb :99 &
+RUN export DISPLAY=:99

Jenkinsfile

@@ -29,15 +29,9 @@ pipeline {
                 }
             }
         }
-        stage("Start Server") {
-            steps {
-                sh "vncserver"
-                sh "vncserver -kill :1"
-            }
-        }
         stage("Test") {
             steps {
-                wrap([$class: 'Xvnc']) {
+                wrap([$class: 'Xvfb']) {
                     sh "mvn test"
                 }
             }