public void CalculateEmploeeBonus_Should_Return_Zero_When_BonusPoolAmount_Is_Zero()
        {
            // Arrange
            decimal bonusPercentage = 0.5M;
            int     bonusPoolAmount = 0;
            decimal expectedResult  = 0;
            var     dataAccessMock  = new Mock <IDataAccess>();
            var     service         = new CalculationService(dataAccessMock.Object);

            // Act
            var result = service.CalculateEmployeeBonus(bonusPercentage, bonusPoolAmount);

            // Assert
            Assert.AreEqual(expectedResult, result);
            Assert.IsInstanceOfType(result, typeof(int));
        }