Since http://drupal.org/node/1567500 Drupal 8 started to use PHPUnit as it's unit test framework. One advantage of PHPUnit is that there are tools around which support it already.
Since http://drupal.org/node/1567500 Drupal 8 started to use PHPUnit as it's unit test framework. One advantage of PHPUnit is that there are tools around which support it already.