def test_transaction_get_transaction_by_reference_not_exists(session):
    assert Transaction.get_transaction_by_reference(
        db_session=session, reference='not_exists') is None
def test_transaction_get_transaction_by_reference_ok(session, new_transaction):
    assert Transaction.get_transaction_by_reference(
        db_session=session, reference=new_transaction.reference) is not None