Add websocket-client to test products like Flex (#2001)

andrewsg · engelke · commit dbdb4b489180 · 2019-02-06T10:33:48.000-08:00
diff --git a/testing/requirements.txt b/testing/requirements.txt
@@ -15,3 +15,4 @@ google-api-python-client==1.7.4
 google-cloud-core==0.28.1
 gcp-devrel-py-tools==0.0.15
 flask==1.0.2
+websocket-client==0.54.0
