Give unit test results their own table in Differential
Summary: Ref T10457. This gives unit test results a more first-class treatment in the Differential UI, and consolidates some rendering code.
Test Plan:
Before:
{F1135536}
After:
{F1135537}
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T10457
Differential Revision: https://secure.phabricator.com/D15365