Move review request draft unit tests to correct class

Review Request #10209 — Created Oct. 10, 2018 and submitted — Latest diff uploaded

Information

Review Board
release-4.0.x
e3e1776...

Reviewers

Many unit tests were mistakenly aded to the PostCommitTests module
when they in fact have nothing to do with the post-commit workflow. They
have been moved to the appropriate location.

Ran unit tests.