fix typo in test-mk-cookiecutter-templates-chunk

Change-Id: I918319b58096e54bce572673091fb63d206cca45
diff --git a/test-cookiecutter-reclass-chunk.groovy b/test-cookiecutter-reclass-chunk.groovy
index 7568a06..12428ba 100644
--- a/test-cookiecutter-reclass-chunk.groovy
+++ b/test-cookiecutter-reclass-chunk.groovy
@@ -11,8 +11,8 @@
 node() {
   try {
     extra_vars = readYaml text: EXTRA_VARIABLES_YAML
+    currentBuild.description = extra_vars.modelFile
     saltModelTesting.testCCModel(extra_vars)
-    currentBuild.description = cfg.modelFile
     } catch (Throwable e) {
           // If there was an error or exception thrown, the build failed
           currentBuild.result = "FAILURE"