Fix typo and run reclass test in a stage

Change-Id: I48f1b9dec64b97515ba3d252f99c5827aa1fa7b0
diff --git a/test-salt-models-pipeline.groovy b/test-salt-models-pipeline.groovy
index de4110d..bac97fb 100644
--- a/test-salt-models-pipeline.groovy
+++ b/test-salt-models-pipeline.groovy
@@ -10,9 +10,10 @@
   gerritRef = null
 }
 
+def systemGitRef, systemGitUrl
 try {
-    systemGitRef = RECLAS_SYSTEM_GIT_REF
-    systemGitUrl = RECLAS_SYSTEM_GIT_URL
+    systemGitRef = RECLASS_SYSTEM_GIT_REF
+    systemGitUrl = RECLASS_SYSTEM_GIT_URL
 } catch (MissingPropertyException e) {
     systemGitRef = null
     systemGitUrl = null