Keystone fernet keys location with correct permisions and dependencies

Change-Id: I76a3060f3c35d2778cc831fca56aa007fecb9b1c
diff --git a/tests/pillar/single_fernet.sls b/tests/pillar/single_fernet.sls
index e72c412..15f61f3 100644
--- a/tests/pillar/single_fernet.sls
+++ b/tests/pillar/single_fernet.sls
@@ -24,8 +24,9 @@
     tokens:
       engine: fernet
       expiration: 86400
+      location: /etc/keystone/fernet-keys/
     cache:
       engine: memcached
       members: 
       - host: localhost
-        port: 11211
\ No newline at end of file
+        port: 11211