Jenkinsfile fix helm unittest step

Jenkinsfile

@@ -151,7 +151,7 @@ pipeline {
                     FAILED_STAGE=env.STAGE_NAME
                     HELM_CHART_VERSION = generateHelmChartVersion()
                     
-                    dir('xta-adapter/src/main/helm') {
+                    dir('xta-adapter') {
                         sh "./run_helm_test.sh"
                     }