chore(deps): update dependency mock to v4 [(#4287)](GoogleCloudPlatform/python-docs-samples#4287)

renovate-bot · leahecole · web-flow · commit 254a1e65ad56 · 2020-07-12T22:10:34.000-07:00
* chore(deps): update dependency mock to v4

* specify mock version for appengine python 2

Co-authored-by: Leah Cole &lt;coleleah@google.com&gt;
diff --git a/samples/snippets/v3/cloud-client/requirements-test.txt b/samples/snippets/v3/cloud-client/requirements-test.txt
@@ -1,3 +1,3 @@
 backoff==1.10.0
 pytest==5.4.3
-mock==3.0.5
+mock==4.0.2
