public function testMessages()
 {
     $resultsUtil = new ImportRowDataResultsUtil(55);
     $this->assertEquals(55, $resultsUtil->getId());
     $this->assertEquals(0, count($resultsUtil->getMessages()));
     $resultsUtil->addMessage('some message');
     $messages = $resultsUtil->getMessages();
     $this->assertEquals(1, count($messages));
     $this->assertEquals('some message', $messages[0]);
     $resultsUtil->addMessages(array('some message2', 'something else'));
     $messages = $resultsUtil->getMessages();
     $this->assertEquals(3, count($messages));
 }