PMM-14115 update job call

Author: yurkovychv

pmm/v3/pmm3-openshift-helm-tests-old.groovy

@@ -4,8 +4,10 @@ library changelog: false, identifier: 'lib@master', retriever: modernSCM([
 ]) _
 
 def runOpenshiftClusterCreate(String OPENSHIFT_VERSION) {
+    def clusterName = "helm-test-${env.BUILD_NUMBER}"
+
     clusterCreateJob = build job: 'openshift-cluster-create', parameters: [
-        string(name: 'CLUSTER_NAME', value: 'helm-test'),
+        string(name: 'CLUSTER_NAME', value: clusterName),
         string(name: 'OPENSHIFT_VERSION', value: OPENSHIFT_VERSION),
         booleanParam(name: 'DEPLOY_PMM', value: false),
         string(name: 'TEAM_NAME', value: 'pmm'),