Updated from global requirements

Change-Id: I944891584a7479c8d8bdf545af8a6af0460f42d5

Author: OpenStack Proposal Bot

test-requirements.txt

@@ -26,7 +26,7 @@ python-designateclient>=1.5.0 # Apache-2.0
 python-heatclient>=1.1.0 # Apache-2.0
 python-ironicclient>=1.1.0 # Apache-2.0
 python-ironic-inspector-client>=1.5.0 # Apache-2.0
-python-mistralclient>=1.0.0 # Apache-2.0
+python-mistralclient>=2.0.0 # Apache-2.0
 python-muranoclient>=0.8.2 # Apache-2.0
 python-saharaclient>=0.13.0 # Apache-2.0
 python-searchlightclient>=0.2.0 #Apache-2.0