Fix linter issues in a @nolint file

Summary: This file is still marked as @nolint, but at least it is more consistent with our coding style.

Test Plan: Unit tests still pass?

Reviewers: epriestley, Blessed Reviewers

Reviewed By: epriestley, Blessed Reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12283