public function testEmailOrigins()
{
$entity = new User();
$origin1 = new InternalEmailOrigin();
$origin2 = new InternalEmailOrigin();
$this->assertCount(0, $entity->getEmailOrigins());
$entity->addEmailOrigin($origin1);
$entity->addEmailOrigin($origin2);
$this->assertCount(2, $entity->getEmailOrigins());
$this->assertSame($origin1, $entity->getEmailOrigins()->first());
$this->assertSame($origin2, $entity->getEmailOrigins()->last());
$entity->removeEmailOrigin($origin1);
$this->assertCount(1, $entity->getEmailOrigins());
$this->assertSame($origin2, $entity->getEmailOrigins()->first());
}