Stop hardcoding the number of contents in the replay cli tests
This hardcoded 10 started to annoy me
Test Plan
tox output unchanged
Migrated from D2756 (view on Phabricator)
Staging instance, all changes can be removed at any time
This hardcoded 10 started to annoy me
tox output unchanged
Migrated from D2756 (view on Phabricator)