public function testThrowExceptionOnActivityFeedRequestForMoreThan20Users() { $exceptionThrown = false; $listOfMoreThan20Users = null; $youtube = new YouTube(); $youtube->setMajorProtocolVersion(2); for ($x = 0; $x < 30; $x++) { $listOfMoreThan20Users .= "user$x"; if ($x != 29) { $listOfMoreThan20Users .= ","; } } try { $youtube->getActivityForUser($listOfMoreThan20Users); } catch (App\InvalidArgumentException $e) { $exceptionThrown = true; } $this->assertTrue($exceptionThrown, 'Was expecting an exception on ' . 'a request to ->getActivityForUser when more than 20 users were ' . 'specified in YouTube.php'); }