Updated from global requirements

Change-Id: I87af564cffaf44669e1efe4ca45c75a6307f1286

Author: OpenStack Proposal Bot

test-requirements.txt

@@ -33,7 +33,7 @@ python-ironic-inspector-client>=1.5.0 # Apache-2.0
 python-mistralclient>=2.0.0 # Apache-2.0
 python-muranoclient>=0.8.2 # Apache-2.0
 python-neutronclient>=5.1.0 # Apache-2.0
-python-saharaclient>=0.16.0 # Apache-2.0
+python-saharaclient>=0.18.0 # Apache-2.0
 python-searchlightclient>=0.2.0 #Apache-2.0
 python-senlinclient>=0.3.0 # Apache-2.0
 python-zaqarclient>=1.0.0 # Apache-2.0