Deploy casalblanca branch by default

Change-Id: Id40302fee70297ddc2ebb2e93fb37e09ee6482c9
Issue-ID: INT-586
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-oom/env/windriver/onap-oom.env b/deployment/heat/onap-oom/env/windriver/onap-oom.env
index 15819ff..6ee10af 100644
--- a/deployment/heat/onap-oom/env/windriver/onap-oom.env
+++ b/deployment/heat/onap-oom/env/windriver/onap-oom.env
@@ -14,6 +14,9 @@
 
   oam_network_cidr: 10.0.0.0/16
 
+  integration_gerrit_branch: casablanca
+  integration_gerrit_refspec: refs/heads/casablanca
+
   helm_deploy_delay: 2.5m
 
   integration_override_yaml: >