fixed environment name.

Author: steenzout

tox.ini

@@ -10,7 +10,7 @@ skipsdist = True
 changedir = tests
 deps =
     travis: ansible==1.9.2
-    ansible191: ansible==1.9.2
+    ansible192: ansible==1.9.2
     ansible184: ansible==1.8.4
     ansible172: ansible==1.7.2
 #    ansible1610: ansible==1.6.10