add Keystone region configuration

Change-Id: I2a0e74a0641a01bcb5e96ada0c013664e773b482
diff --git a/tests/pillar/control_single.sls b/tests/pillar/control_single.sls
index 68c77b2..929dc28 100644
--- a/tests/pillar/control_single.sls
+++ b/tests/pillar/control_single.sls
@@ -23,6 +23,7 @@
       password: password
     identity:
       engine: keystone
+      region: RegionOne
       host: 127.0.0.1
       port: 35357
       user: nova
@@ -40,6 +41,7 @@
       port: 9292
     network:
       engine: neutron
+      region: RegionOne
       host: 127.0.0.1
       port: 9696
       mtu: 1500