diff --git a/jenkins/ci-pipelines/ci_stage_3.groovy b/jenkins/ci-pipelines/ci_stage_3.groovy
index eaf6009..b4cb672 100644
--- a/jenkins/ci-pipelines/ci_stage_3.groovy
+++ b/jenkins/ci-pipelines/ci_stage_3.groovy
@@ -84,8 +84,9 @@
     def steps                       // Jenkins DSL context (`this` from the script)
     DockerRunner(def steps) { this.steps = steps }
 
-    /** Returns stdout (trimmed); throws Exception on non-zero exit. */
+    /** Returns stdout (trimmed) if returnStdout is true; throws Exception on non-zero exit */
     String run(Map args = [:]) {
+        def returnStdout = args.remove('returnStdout') ?: false
         def envFile  = args.envFile ?: ''
         def entry    = args.entry   ? "--entrypoint ${args.entry}" : ''
         def mounts   = (args.mounts ?: [])
@@ -96,15 +97,21 @@
                         .collect { "--env ${it}" }.join(' ')
         def image    = args.image ?: ''
         def cmd      = args.cmd   ?: ''
-        def fullCmd  = """docker run ${entry} ${envs} ${envFile ? "--env-file ${envFile}" : ''} ${mounts} ${image} ${cmd}""".trim().replaceAll('\\s+', ' ')
+        def fullCmd  = """docker run ${entry} ${envs} ${envFile ? "--env-file ${envFile}" : ''} ${mounts} ${image} ${cmd}"""
 
+        def result = null
         try {
-            return steps.sh(returnStdout: true, script: fullCmd).trim()
+            if (returnStdout) {
+                result = steps.sh(returnStdout: true, script: fullCmd).trim()
+            } else {
+                steps.sh(script: fullCmd)
+            }
         } catch (Exception ex) {
             throw new Exception("docker run failed → ${ex.message}")
         } finally {
             steps.echo("Command executed: ${fullCmd}")
         }
+        return result
     }
 }
 
@@ -152,6 +159,7 @@
     while (System.currentTimeMillis() < deadline) {
         try {
             lastOut = dr.run(
+                returnStdout: true,
                 image   : image,
                 entry   : "/bin/sh",
                 envVars : envs,
@@ -236,7 +244,8 @@
                         "${portmappingfile}:/root/port-mapping.yaml",
                         "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                     ],
-                    cmd     : entrypointArgs
+                    cmd     : entrypointArgs,
+                    returnStdout: true
                 )
                 println("VIM Creation Output: ${createOutput}")
             }
@@ -257,7 +266,8 @@
                         "${portmappingfile}:/root/port-mapping.yaml",
                         "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                     ],
-                    cmd     : entrypointArgs
+                    cmd     : entrypointArgs,
+                    returnStdout: true
                 )
                 println("VIM List output: ${vimList}")
                 if (vimList.contains("ENABLED")) {
@@ -270,7 +280,7 @@
             // If stuck, delete and retry
             println("VIM stuck for more than 50 seconds, deleting and retrying...")
             entrypointArgs = """vim-delete --force ${VIM_TARGET}"""
-            String vimList = dr.run(
+            String deleteOutput = dr.run(
                 image   : "opensourcemano/tests:${tagName}",
                 entry   : entrypointCmd,
                 envVars : [ "OSM_HOSTNAME=${osmHostname}" ],
@@ -281,7 +291,8 @@
                     "${portmappingfile}:/root/port-mapping.yaml",
                     "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                 ],
-                cmd     : entrypointArgs
+                cmd     : entrypointArgs,
+                returnStdout: true
             )
             println("VIM Deletion Output: ${deleteOutput}")
             sleep(5)
@@ -336,7 +347,8 @@
                     "${portmappingfile}:/root/port-mapping.yaml",
                     "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                 ],
-                cmd     : entrypointArgs
+                cmd     : entrypointArgs,
+                returnStdout: true
             )
             println("K8s Cluster Addition Output: ${createOutput}")
 
@@ -356,7 +368,8 @@
                         "${portmappingfile}:/root/port-mapping.yaml",
                         "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                     ],
-                    cmd     : entrypointArgs
+                    cmd     : entrypointArgs,
+                    returnStdout: true
                 )
                 println("K8s Cluster List Output: ${clusterList}")
                 if (clusterList.contains("ENABLED")) {
@@ -380,7 +393,8 @@
                     "${portmappingfile}:/root/port-mapping.yaml",
                     "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                 ],
-                cmd     : entrypointArgs
+                cmd     : entrypointArgs,
+                returnStdout: true
             )
             println("K8s Cluster Show Output: ${showOutput}")
             entrypointArgs = """k8scluster-delete ${K8S_CLUSTER_TARGET}"""
@@ -395,7 +409,8 @@
                     "${portmappingfile}:/root/port-mapping.yaml",
                     "${prometheusconfigfile}:/root/etsi-vim-prometheus.json"
                 ],
-                cmd     : entrypointArgs
+                cmd     : entrypointArgs,
+                returnStdout: true
             )
             println("K8s Cluster Deletion Output: ${deleteOutput}")
             sleep(5)