Add test cases for PurchaserInfo parsing bug fixes (#889)
Add test cases for PurchaserInfo parsing bug fixes (#889)

* added test cases for purchaserInfo parsing bug fixes

* reverted accidental lines

* improvements from PR comments
RevenueCat/purchases-ios,RevenueCat/purchases-ios,RevenueCat/purchases-ios,RevenueCat/purchases-ios,RevenueCat/purchases-ios