public function testApiSortProviders_SortProviders()
{
$sorter = $this->createSorter();
$before = [$a = new AProvider(), $b = new BProvider(), $c = new CProvider(), $d = new DProvider(), $e = new EProvider()];
$after = [$a, $d, $b, $c, $e];
$this->assertSame($after, $sorter->sortProviders($before));
}