updated remove postgres registration

tests/test.yml

diff --git a/tests/test.yml b/tests/test.yml
index fab8410..594a060 100644
--- a/tests/test.yml
+++ b/tests/test.yml
@@ -3,17 +3,18 @@
   gather_facts: no
   tasks:
   - name: Collect attributes
-     include_role:
-       name: apigee-opdk-server-self
-     vars:
+    include_role:
+      name: apigee-opdk-server-self
+    vars:
         server_types: ['ps']
 
   - name: Remove Postgres
     include_role:
       name: apigee-opdk-setup-postgresql-remove
-    var:
+    vars:
       ax_group: 'axgroup001'
       consumer_group: 'consumer-group-001'
       server_type: 'postgres-server'
       uuid: '{{ edge_ps_self.uUID }}'
 
+