Update pytest from 3.8.2 to 3.9.1

pyup-bot · pyup-bot · commit e692f77ab100 · 2018-10-17T11:17:55.000-05:00
diff --git a/requirements/test.txt b/requirements/test.txt
@@ -1,2 +1,2 @@
-pytest==3.8.2
+pytest==3.9.1
 pytest-rerunfailures==4.2
