Update Jenkinsfiles to use buildNode instead of TestNodeName

Change-Id: Ifd68d1f67d88ebf7190e733311bfc8f8f1a59a06
diff --git a/Jenkinsfile-mcord-license-check b/Jenkinsfile-mcord-license-check
index 3dcfff1..e2b4c3e 100644
--- a/Jenkinsfile-mcord-license-check
+++ b/Jenkinsfile-mcord-license-check
@@ -12,7 +12,7 @@
 
 repos = params.repos.split(",")
 
-node ("${TestNodeName}") {
+node ("${buildNode}") {
     timeout (100) {
         try {
             stage ("Cleanup") {