fix retry on Jenkins smoke tests

dockerfiles/services/jenkins/Jenkinsfile

@@ -26,12 +26,11 @@ node('docker') {
     }
 
     stage('smoke tests') {
-        options {
-            retry(5)
-        }
         dir(workdir) {
-            sleep 30
+            retry(5) {
-            sh "curl -If http://dkhost:8080/metrics/ejkxeVI-iKLy968ji9AnfYmOHGIh1kYd3gA500JqrRxzTeenT06ynR5Dqo0CQplO/healthcheck"
+                sleep 30
+                sh "curl -If http://dkhost:8080/metrics/ejkxeVI-iKLy968ji9AnfYmOHGIh1kYd3gA500JqrRxzTeenT06ynR5Dqo0CQplO/healthcheck"
+            }
         }
     }
 }