Add 'mock' to unit test dependencies for autogen libs. (#6402)

tseaver · web-flow · commit 5f773cc5d5dc · 2018-11-08T16:01:55.000-05:00
In anticipation of landing googleapis/gapic-generator#2407.
diff --git a/packages/google-cloud-os-login/noxfile.py b/packages/google-cloud-os-login/noxfile.py
@@ -25,7 +25,7 @@
 
 def default(session):
     # Install all test dependencies, then install this package in-place.
-    session.install('pytest')
+    session.install('pytest', 'mock')
     for local_dep in LOCAL_DEPS:
         session.install('-e', local_dep)
     session.install('-e', '.')
