public void validateCalculatedAnnualSalaryForHourlyContracts() { //Arrange List <Employee> employees = new List <Employee> { employeeBuilder .Id(1) .ContractTypeName("HourlySalaryEmployee") .HourlySalary(60000) .Build(), }; employeeRepository.FindAll() .Returns(employees); long expectedResult = 120 * 60000 * 12; int employeeId = 1; //Act var result = employeeService.Find(employeeId); //Assert Assert.AreEqual(expectedResult, result.AnnualSalary); }