public function testRemovesParticipationFromAllInstances()
 {
     $userId = 1;
     $r1 = new TestReservation();
     $r1->WithParticipant($userId);
     $r1->SetReservationId(100);
     $r2 = new TestReservation();
     $r2->WithParticipant($userId);
     $r2->SetReservationId(101);
     $r3 = new TestReservation();
     $r3->WithParticipant(89);
     $r3->SetReservationId(102);
     $builder = new ExistingReservationSeriesBuilder();
     $builder->WithInstance($r1);
     $builder->WithInstance($r2);
     $builder->WithInstance($r3);
     $series = $builder->Build();
     $series->CancelAllParticipation($userId);
     $events = $series->GetEvents();
     $this->assertContains($userId, $r1->RemovedParticipants());
     $this->assertContains($userId, $r2->RemovedParticipants());
     $this->assertEmpty($r3->RemovedInvitees());
     $this->assertTrue(in_array(new InstanceUpdatedEvent($r1, $series), $events));
     $this->assertTrue(in_array(new InstanceUpdatedEvent($r2, $series), $events));
     $this->assertFalse(in_array(new InstanceUpdatedEvent($r3, $series), $events));
 }