protected function assertSortedById($expected, $shares)
{
$sort = array();
foreach ($shares as $key => $share) {
$sort[$share->getId()] = $key;
}
ksort($sort);
$keys = array_keys($shares);
$this->assertEquals($keys, array_values($sort));
sort($expected);
sort($keys);
$this->assertEquals($expected, $keys);
}