public function testEvent()
 {
     $targetClass = 'testClass';
     $targetId = 1;
     $targetIds = [2, 3];
     $event = new ActivityListPreQueryBuildEvent($targetClass, $targetId);
     $this->assertEquals($targetId, $event->getTargetId());
     $this->assertEquals([$targetId], $event->getTargetIds());
     $this->assertEquals($targetClass, $event->getTargetClass());
     $event = new ActivityListPreQueryBuildEvent($targetClass, $targetId);
     $event->setTargetIds($targetIds);
     $this->assertEquals($targetIds, $event->getTargetIds());
 }