public function testReviewerStatsRequiresReview()
 {
     $revision = new DifferentialRevision();
     $revision->setDateCreated(1);
     $revision->attachRelationships(array($this->newReviewer('R')));
     $comments = array();
     $stats = new DifferentialReviewerStats();
     $stats->setUntil(2);
     list($reviewed, $not_reviewed) = $stats->computeTimes($revision, $comments);
     $this->assertEqual(array(), $reviewed);
     $this->assertEqual(array('R' => array(2 - 1)), $not_reviewed);
 }