public function shouldFlattenChunks()
{
//given
$iterator = new \ArrayIterator(array(array(1, 2), array(3, 4), array(5)));
//when
$unbatchedIterator = new UnbatchingIterator($iterator);
//then
$this->assertEquals(array(1, 2, 3, 4, 5), iterator_to_array($unbatchedIterator));
}