adds test to check secret data

nordvpn-autoconfigure.jenkins

@@ -160,6 +160,25 @@ data:
             }
         }
 
+        stage ('Read Secret') {
+            steps {
+                container ('alpine') {
+                    script {
+                        def result = declarativeFunctions.createSecret(
+                            kubeAuth: "k8s-dl-automation-access",
+                            kubeURL: "https://k8s.test-chamber-13.lan:8043",
+                            namespace: "dl-automation",
+                            secret: k8sSecret,
+                            secretID: "nordvpn.com.tcp.ovpn"
+                        )
+                        if result.length() == 0 {
+                            throw new Exception("Secret is empty.")
+                        }
+                    }
+                }
+            }
+        }
+
         stage ('Restart Pod') {
             steps {
                 container ('alpine') {