Auto-update dependencies.

Author: dpebot

testing/requirements.txt

@@ -9,7 +9,7 @@ pytest-cov==2.4.0
 pytest==3.0.5
 pyyaml==3.12
 responses==0.5.1
-WebTest==2.0.23
+WebTest==2.0.24
 webapp2==3.0.0b1
 google-api-python-client==1.5.5
 google-cloud-core==0.22.1