diff --git a/test-salt-formulas-pipeline.groovy b/test-salt-formulas-pipeline.groovy
index 6d12ec6..61379ab 100644
--- a/test-salt-formulas-pipeline.groovy
+++ b/test-salt-formulas-pipeline.groovy
@@ -7,7 +7,6 @@
 def common = new com.mirantis.mk.Common()
 def gerrit = new com.mirantis.mk.Gerrit()
 def ruby = new com.mirantis.mk.Ruby()
-def jenkinsUtils = new com.mirantis.mk.JenkinsUtils()
 
 def gerritRef
 try {
@@ -29,15 +28,15 @@
 
 node("python&&docker") {
   try{
-    //stage("stop old tests"){
-    //  if (gerritRef) {
-    //    def runningTestBuildNums = _getRunningTriggeredTestsBuildNumbers(env["JOB_NAME"], GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER)
-    //    for(int i=0; i<runningTestBuildNums.size(); i++){
-    //      common.infoMsg("Old test with run number ${runningTestBuildNums[i]} found, stopping")
-    //      Jenkins.instance.getItemByFullName(env["JOB_NAME"]).getBuildByNumber(runningTestBuildNums[i]).finish(hudson.model.Result.ABORTED, new java.io.IOException("Aborting build"));
-    //    }
-    //  }
-    //}
+    stage("stop old tests"){
+      if (gerritRef) {
+        def runningTestBuildNums = _getRunningTriggeredTestsBuildNumbers(env["JOB_NAME"], GERRIT_CHANGE_NUMBER, GERRIT_PATCHSET_NUMBER)
+        for(int i=0; i<runningTestBuildNums.size(); i++){
+          common.infoMsg("Old test with run number ${runningTestBuildNums[i]} found, stopping")
+          Jenkins.instance.getItemByFullName(env["JOB_NAME"]).getBuildByNumber(runningTestBuildNums[i]).finish(hudson.model.Result.ABORTED, new java.io.IOException("Aborting build"));
+        }
+      }
+    }
     stage("checkout") {
       if (gerritRef) {
         // job is triggered by Gerrit
@@ -86,6 +85,12 @@
 
 @NonCPS
 def _getRunningTriggeredTestsBuildNumbers(jobName, gerritChangeNumber, excludePatchsetNumber){
-  return gerrit.getGerritTriggeredBuilds(jenkinsUtils.getJobRunningBuilds(jobName), gerritChangeNumber, excludePatchsetNumber)
-    .stream().map{it -> it.number}.collect(java.util.stream.Collectors.toList())
+  def gerrit = new com.mirantis.mk.Gerrit()
+  def jenkinsUtils = new com.mirantis.mk.JenkinsUtils()
+  def triggeredBuilds= gerrit.getGerritTriggeredBuilds(jenkinsUtils.getJobRunningBuilds(jobName), gerritChangeNumber, excludePatchsetNumber)
+  def buildNums =[]
+  for(int i=0;i<triggeredBuilds.size();i++){
+      buildNums.put(triggeredBuilds[i].number)
+  }
+  return buildNums
 }