[requires.io] dependency update

requires · requires · commit b6c939b6bfa3 · 2018-09-06T06:32:01.000-07:00
diff --git a/test_requirements.txt b/test_requirements.txt
@@ -1,3 +1,3 @@
-pytest==3.7.4
+pytest==3.8.0
 pytest-cov==2.6.0
 hypothesis
