public function getBatchByIds()
{
$lists = [$this->createList(), $this->createList()];
$ids = array_reduce($lists, function ($listIds, $list) {
$listIds[] = $list->listId;
return $listIds;
}, []);
$response = $this->contactLists->getBatchByIds($ids);
$this->assertEquals(200, $response->getStatusCode());
}