Summary:
Continuing the work on #90. I don't believe I can push directly to that PR since the origin is `master` of a repo I don't have access to.
https://help.github.com/articles/checking-out-pull-requests-locally/
I went ahead and added another supplementary view test copying the old one we had.
cc jessesquires in case there's something else I can do here. I believe this will still give rawlinxx credit?
Closes https://github.com/Instagram/IGListKit/pull/162
Differential Revision: D4137364
Pulled By: rnystrom
fbshipit-source-id: d8418ac5728fd6d9570fa1d1568f4343f5c4112b
