Default rbac_flag = True for testing in gates.

Workaround so that testing jobs in tempest gates is automatically
kicked off for admin, until the test hooks are properly
configured.

Change-Id: I07012147f50f74c9996dd2634d090ed76b49c5c5
diff --git a/patrole_tempest_plugin/config.py b/patrole_tempest_plugin/config.py
index 94e6aef..1edf877 100644
--- a/patrole_tempest_plugin/config.py
+++ b/patrole_tempest_plugin/config.py
@@ -24,6 +24,6 @@
                help="The current RBAC role against which to run"
                     " Patrole tests."),
     cfg.BoolOpt('rbac_flag',
-                default=False,
+                default=True,
                 help="Enables RBAC tests.")
 ]