public function testGetAttributeHiddenFields()
{
$this->assertEquals(array(), $this->helper->getAttributeHiddenFields());
/** @var $objectManager \Magento\TestFramework\ObjectManager */
$objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
$objectManager->get('Magento\\Framework\\Registry')->register('attribute_type_hidden_fields', 'test');
try {
$this->assertEquals('test', $this->helper->getAttributeHiddenFields());
$objectManager->get('Magento\\Framework\\Registry')->unregister('attribute_type_hidden_fields');
} catch (\Exception $e) {
$objectManager->get('Magento\\Framework\\Registry')->unregister('attribute_type_hidden_fields');
throw $e;
}
}