Switch _map_instances from novang to novav21

Switch _map_instances from novang to novav21 module

Change-Id: I806b6a276149320964b425ee534d80ffe1eeafef
Related-Prod: PROD-26861 (PROD:26861)
diff --git a/.kitchen.yml b/.kitchen.yml
index 4391444..5a730e3 100644
--- a/.kitchen.yml
+++ b/.kitchen.yml
@@ -61,7 +61,7 @@
 
 suites:
 <% for os_version in ['mitaka','newton','ocata','pike', 'queens', 'rocky'] %>
-  - name: compute_cluster
+  - name: compute_cluster_<%=os_version%>
     provisioner:
       pillars-from-files:
         nova.sls: tests/pillar/compute_cluster.sls
@@ -72,7 +72,7 @@
             compute:
               version: <%=os_version%>
 
-  - name: control_cluster
+  - name: control_cluster_<%=os_version%>
     provisioner:
       pillars-from-files:
         nova.sls: tests/pillar/control_cluster.sls