Updated from global requirements

Change-Id: Ib681d0b07afdde821ab4f9a17b1333bd12739eec

Author: OpenStack Proposal Bot

test-requirements.txt

@@ -24,5 +24,5 @@ python-designateclient>=1.5.0 # Apache-2.0
 python-heatclient>=0.6.0 # Apache-2.0
 python-ironicclient>=1.1.0 # Apache-2.0
 python-mistralclient>=1.0.0 # Apache-2.0
-python-saharaclient>=0.10.0 # Apache-2.0
+python-saharaclient>=0.12.0 # Apache-2.0
 python-zaqarclient>=0.3.0 # Apache-2.0