public function testDefaultGcDoesNothing()
{
$this->datastore->transaction()->shouldBeCalledTimes(1)->willReturn($this->transaction->reveal());
$this->datastore->query()->shouldNotBeCalled();
$datastoreSessionHandler = new DatastoreSessionHandler($this->datastore->reveal());
$datastoreSessionHandler->open(self::NAMESPACE_ID, self::KIND);
$ret = $datastoreSessionHandler->gc(100);
$this->assertEquals(true, $ret);
}