Keystone tenant ID's are no longer predictable (UUID's)

Applicable to keystone master post essex-m2

Depends on: https://review.openstack.org/#change,2394

Change-Id: I1431f7177ff22e03cdf89bc7513473fdbbb1415d
diff --git a/tools/build_ci_config.sh b/tools/build_ci_config.sh
index 0e43aa4..90b8abf 100755
--- a/tools/build_ci_config.sh
+++ b/tools/build_ci_config.sh
@@ -199,7 +199,7 @@
 apiver = v2.0
 user = admin
 password = $ADMIN_PASSWORD
-tenant_id = 1
+tenant_name = admin
 
 [nova]
 host = $HOST_IP