Fixed typo

Change-Id: Ic7bb6073c08e267bc9d328c58b3f54a003cd43be
diff --git a/test-salt-models-pipeline.groovy b/test-salt-models-pipeline.groovy
index 4876619..1e1b7b4 100644
--- a/test-salt-models-pipeline.groovy
+++ b/test-salt-models-pipeline.groovy
@@ -101,7 +101,7 @@
         def commonList = infraList.intersect(clusterDirectories)
         def differenceList = infraList.plus(clusterDirectories)
         differenceList.removeAll(commonList)
-        commom.warningMsg("The following clusters are not valid : ${differenceList}")
+        common.warningMsg("The following clusters are not valid : ${differenceList}")
 
         if (modifiedClusters) {
           infraYMLs.removeAll { !modifiedClusters.contains(it.tokenize('/')[3]) }