public static function tearDownFixtures()
{
if (!self::$hasSetUp) {
return;
}
self::$deletionQueue[] = self::$bucket;
self::$deletionQueue[] = self::$table;
self::$deletionQueue[] = self::$dataset;
$backoff = new ExponentialBackoff(8);
foreach (self::$deletionQueue as $item) {
$backoff->execute(function () use($item) {
$item->delete();
});
}
}