continue adding tests for the new files page

fixes #CNVS-15253
Test Plan

Make sure test aren't breaking

Change-Id: Ia2d418b921fda8bb0a24f96e8c34e760f94684e0
Reviewed-on: https://gerrit.instructure.com/40747
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jason Madsen <jmadsen@instructure.com>
Product-Review: Sterling Cobb <sterling@instructure.com>
QA-Review: Sterling Cobb <sterling@instructure.com>