Begin making Harbormaster unit test results a little easier to read

Summary: Ref T10457. These lack color and iconography and are difficult to parse. Make them easier to read.

Test Plan:
Before:

{F1135396}

After:

{F1135399}

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T10457

Differential Revision: https://secure.phabricator.com/D15362