Function transfer_success
pub fn transfer_success<T, AccountId>()where
    T: Mutate<AccountId>,
    <T as Inspect<AccountId>>::Balance: AtLeast8BitUnsigned + Debug,
    AccountId: AtLeast8BitUnsigned,Expand description
Test Mutate::transfer for a successful transfer.
This test verifies that transferring an amount between two accounts with updates the account balances and maintains correct total issuance and active issuance values.