Update pytest-selenium to 1.11.1 (#143)

* Update pytest-selenium from 1.11.0 to 1.11.1

* Update pytest-selenium from 1.11.0 to 1.11.1

requirements/py27-tests.txt

@@ -2,6 +2,6 @@ mock==2.0.0
 mozlog==3.5
 pytest==3.2.1
 pytest-metadata==1.5.0
-pytest-selenium==1.11.0
+pytest-selenium==1.11.1
 pytest-xdist==1.20.0
 selenium==3.5.0

requirements/py36-tests.txt

@@ -1,6 +1,6 @@
 mock==2.0.0
 pytest==3.2.1
 pytest-metadata==1.5.0
-pytest-selenium==1.11.0
+pytest-selenium==1.11.1
 pytest-xdist==1.20.0
 selenium==3.5.0