Updated from global requirements

Change-Id: I202897c2d66cc9e20b3d2ef1564a37db26f88d47

Author: OpenStack Proposal Bot

test-requirements.txt

@@ -24,7 +24,7 @@ python-barbicanclient>=4.0.0 # Apache-2.0
 python-congressclient<2000,>=1.3.0 # Apache-2.0
 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-ironicclient>=1.6.0 # Apache-2.0
 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