After changing sandbox account apple IAP restore data is sending same receipts

I am working with IAP Auto renewable subscription. I was testing with one sandbox account after that I have changed sandbox account but for receipt validation I am still getting same receipts.

PS: I have also tried

// Hint... handle requestDidFinish delegate method and then use appStoreReceiptURL for receipt data
let request:SKReceiptRefreshRequest = SKReceiptRefreshRequest(receiptProperties: nil);
request.delegate  = self;
request.start();

But it keeps asking iTunes password which is very annoying.

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