Fix default var for PATTERN

Change-Id: Ib5a4217ccf5898396a349662ba83223b7283dddc
Reviewed-on: https://review.gerrithub.io/371161
Reviewed-by: Tatyanka Leontovich <tleontovich@mirantis.com>
Tested-by: Tatyanka Leontovich <tleontovich@mirantis.com>
diff --git a/tcp_tests/templates/virtual-mcp-ocata-dvr/openstack.yaml b/tcp_tests/templates/virtual-mcp-ocata-dvr/openstack.yaml
index e50b12c..f84d582 100644
--- a/tcp_tests/templates/virtual-mcp-ocata-dvr/openstack.yaml
+++ b/tcp_tests/templates/virtual-mcp-ocata-dvr/openstack.yaml
@@ -373,7 +373,7 @@
   skip_fail: false
 
 - description: Run tests
-  pattern = {{ os_env('PATTERN') }}
+  pattern = {{ os_env('PATTERN', 'smoke') }}
   cmd: |
     if [[ -n "$pattern" ]]; then
         salt-call cmd.run 'docker run --rm --net=host  -e TEMPEST_CONF=lvm_mcp.conf  -e SKIP_LIST=mcp_skip.list  -e SOURCE_FILE=keystonercv3  -e CUSTOM="--pattern $pattern"  -v /root/:/home/rally docker-sandbox.sandbox.mirantis.net/rally-tempest/rally-tempest:with_designate  >> image.output'