/**
  * @test
  * @dataProvider renderDataProvider()
  * @param string $expectedResult
  * @param array $flashMessages
  * @param string $class
  * @return void
  */
 public function renderTests($expectedResult, array $flashMessages = [], $class = null)
 {
     $this->mockFlashMessageContainer->expects($this->once())->method('getMessagesAndFlush')->will($this->returnValue($flashMessages));
     $this->mockTagBuilder->expects($this->once())->method('setContent')->with($expectedResult);
     $this->viewHelper->_set('arguments', ['class' => $class]);
     $this->viewHelper->render();
 }