added NODE_NAME to output

Jenkinsfile

@@ -83,6 +83,7 @@ for (String os in runITsOses) {
         runITsTasks[stageId] = {
             node(jenkinsEnv.nodeSelection(osLabel)) {
                 stage("${stageLabel}") {
+                    echo "NODE_NAME = ${env.NODE_NAME}"
                     // on Windows, need a short path or we hit 256 character limit for paths
                     // using EXECUTOR_NUMBER guarantees that concurrent builds on same agent
                     // will not trample each other plus workaround for JENKINS-52657