Run tests against pytest 3.0.6

Author: davehunt

tox.ini

@@ -9,7 +9,7 @@ envlist = py{26,27,33,34,35,py,py3}-pytest{29,30}, flake8
 [testenv]
 deps =
     pytest29: pytest==2.9.2
-    pytest28: pytest==3.0.4
+    pytest28: pytest==3.0.6
     pytest-localserver
 commands = py.test -v -r a {posargs}