public function testAddTabWithTabModel()
{
$tabModel = TabModel::fromArray(array('id' => 1, 'name' => 'Name', 'description' => 'Description', 'sort_order' => 1, 'document_type_id' => 1));
$this->assertInstanceOf('GcDevelopment\\Form\\DocumentType', $this->object->addTab($tabModel));
}