public function testDeleteInstances()
{
$seriesId = 981;
$instance1 = new TestReservation("ref1");
$instance2 = new TestReservation("ref2");
$builder = new ExistingReservationSeriesBuilder();
$builder->WithEvent(new InstanceRemovedEvent($instance1, $builder->series));
$builder->WithEvent(new InstanceRemovedEvent($instance2, $builder->series));
$series = $builder->BuildTestVersion();
$series->WithId($seriesId);
$this->repository->Delete($series);
$deleteInstance1 = new RemoveReservationCommand($instance1->ReferenceNumber());
$deleteInstance2 = new RemoveReservationCommand($instance2->ReferenceNumber());
$this->assertEquals(2, count($this->db->_Commands));
$this->assertTrue(in_array($deleteInstance1, $this->db->_Commands));
$this->assertTrue(in_array($deleteInstance2, $this->db->_Commands));
}