public function renderEmptyHiddenFieldsRendersEmptyStringByDefault()
{
$viewHelper = $this->getAccessibleMock(\Neos\FluidAdaptor\ViewHelpers\FormViewHelper::class, array('renderChildren'), array(), '', false);
$this->injectDependenciesIntoViewHelper($viewHelper);
$expected = '';
$actual = $viewHelper->_call('renderEmptyHiddenFields');
$this->assertEquals($expected, $actual);
}