Add usage of 2018.8.0 dbs roles

Change-Id: I5d762c3f91246f1a770a3454dbc749ea31537b13
diff --git a/tcp_tests/templates/cookied-cicd-bm-os-contrail32-maas-2018.8.0/salt-context-environment.yaml b/tcp_tests/templates/cookied-cicd-bm-os-contrail32-maas-2018.8.0/salt-context-environment.yaml
index 659203e..2f5b431 100644
--- a/tcp_tests/templates/cookied-cicd-bm-os-contrail32-maas-2018.8.0/salt-context-environment.yaml
+++ b/tcp_tests/templates/cookied-cicd-bm-os-contrail32-maas-2018.8.0/salt-context-environment.yaml
@@ -69,7 +69,7 @@
     dbs01.cookied-bm-mcp-ocata-contrail.local:

       reclass_storage_name: openstack_database_node01

       roles:

-      - openstack_database_leader

+      - openstack_database_leader_2018_8_0

       - linux_system_codename_xenial

       interfaces:

         ens2:

@@ -80,7 +80,7 @@
     dbs02.cookied-bm-mcp-ocata-contrail.local:

       reclass_storage_name: openstack_database_node02

       roles:

-      - openstack_database

+      - openstack_database_2018_8_0

       - linux_system_codename_xenial

       interfaces:

         ens2:

@@ -91,7 +91,7 @@
     dbs03.cookied-bm-mcp-ocata-contrail.local:

       reclass_storage_name: openstack_database_node03

       roles:

-      - openstack_database

+      - openstack_database_2018_8_0

       - linux_system_codename_xenial

       interfaces:

         ens2: