public function renderCorrectlySetsTagNameAndDefaultAttributes()
{
$mockTagBuilder = $this->getMockBuilder(\TYPO3Fluid\Fluid\Core\ViewHelper\TagBuilder::class)->setMethods(array('setTagName', 'addAttribute'))->getMock();
$mockTagBuilder->expects($this->any())->method('setTagName')->with('input');
$mockTagBuilder->expects($this->at(2))->method('addAttribute')->with('type', 'submit');
$this->viewHelper->injectTagBuilder($mockTagBuilder);
$this->viewHelper->initialize();
$this->viewHelper->render();
}