/**
  * Assert that success message is displayed after Customer Segments saved.
  *
  * @param CustomerSegmentIndex $customerSegmentIndex
  * @return void
  */
 public function processAssert(CustomerSegmentIndex $customerSegmentIndex)
 {
     \PHPUnit_Framework_Assert::assertEquals(self::SUCCESS_MESSAGE, $customerSegmentIndex->getMessagesBlock()->getSuccessMessages());
 }