public function canCreateFromDefinitionWithSheets()
{
$properties = array('name' => 'test', 'label' => 'Test field', 'sheets' => array('sheet' => array('fields' => array()), 'anotherSheet' => array('fields' => array())));
$instance = Form::create($properties);
$this->assertInstanceOf('FluidTYPO3\\Flux\\Form', $instance);
}