OZG-3328 call run_helm_test.sh from Jenkinsfile

Jenkinsfile

@@ -164,10 +164,9 @@ pipeline {
                     FAILED_STAGE=env.STAGE_NAME
                     HELM_CHART_VERSION = generateHelmChartVersion()
 
-                    dir('src/main/helm') {
-                        sh "helm lint -f ../../test/linter-values.yaml"
+                    sh "./run_helm_test.sh"
 
-                        sh "helm unittest -f '../../test/helm/*.yaml' -v '../../test/unit-values.yaml' ."
+                    dir('src/main/helm') {
 
                         sh "helm package --version=${HELM_CHART_VERSION} ."