CLONE - An administrator can run unit tests for the site

This test requires the following:

A) set $CFG->unittestprefix='t_'; in config.php
B) timezones updated in Site administration > Location > Update timezones
C) for the testing site to be using a database with case-sensitive collation and ACID compliant

1. Login as admin and browse to Settings > Site administration > Development > Unit tests.
2. Click the run tests button.
3. Check that all unit tests pass.