/**
  * Asserts that success message equals to expected message.
  *
  * @param UserIndex $userIndex
  * @return void
  */
 public function processAssert(UserIndex $userIndex)
 {
     \PHPUnit_Framework_Assert::assertEquals(self::SUCCESS_SAVE_MESSAGE, $userIndex->getMessagesBlock()->getSuccessMessages(), 'Wrong success save message is displayed.');
 }