Enable defining 'auth_encryption_key' param in pillar
  - update test pillars
  - update dependencies for queens testing

Fixes: PROD-22585 (PROD:22585)

Change-Id: I2d8879b3892d5c0d8fddd39908dac4fe78c1dab1
diff --git a/tests/pillar/server_plugin_dirs.sls b/tests/pillar/server_plugin_dirs.sls
index 5617308..d96fac7 100644
--- a/tests/pillar/server_plugin_dirs.sls
+++ b/tests/pillar/server_plugin_dirs.sls
@@ -2,7 +2,7 @@
   server:
     enabled: true
     region: RegionOne
-    version: liberty
+    version: ocata
     stack_domain_admin:
       name: heat_domain_admin
       password: password