public void Validate_ValidFieldsAndInvalidCurrency_ReturnsErrorMsg()
        {
            var validator = new AccTransactionValidator(new CurrencyValidator());

            Assert.IsNotNull(validator.Validate(_validWithInvalidCurrency));
        }
 public void Validate_ValidFieldsAndValidCurrency_ReturnsNull()
 {
     var validator = new AccTransactionValidator(new CurrencyValidator());
     Assert.IsNull(validator.Validate(_validFieldsValidCurrency));
 }
        public void Validate_InvalidFields_ReturnsErrorMsg()
        {
            var validator = new AccTransactionValidator(new CurrencyValidator());

            Assert.IsNotNull(validator.Validate(_invalidFields));
        }