When I test StoreKit Refund, paymentQueue(_:didRevokeEntitlementsForProductIdentifiers:) is called

Hello! The docs for paymentQueue(_:didRevokeEntitlementsForProductIdentifiers:) state:

Tells an observer that the user is no longer entitled to one or more family-shared purchases.

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My app does not use family sharing. But when I test StoreKit Refund, paymentQueue(_:didRevokeEntitlementsForProductIdentifiers:) called. why Is it called?

When I test StoreKit Refund, paymentQueue(_:didRevokeEntitlementsForProductIdentifiers:) is called
 
 
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