Update 'Jenkinsfile'

Jenkinsfile

@@ -13,6 +13,13 @@ pipeline {
         sh 'docker build -t buzzerburger/test:latest ./app'
       }
     }
+    stage('test') {
+      steps {
+        sh 'docker run --name shankar -d buzzerburger/test
+        sh 'docker exec -it shankar php artisan test'
+        sh 'docker rm shankar -f'
+      }
+    }
     stage('Login') {
       steps {
         sh 'echo $DOCKERHUB_CREDENTIALS_PSW | docker login -u $DOCKERHUB_CREDENTIALS_USR --password-stdin'