public void ConvertEmployeeDto()
        {
            var expected = new EmployeeDto
            {
                Id           = 0,
                Name         = "Elif",
                Surname      = "Olgun",
                ContractType = "FLTM",
                BirthDay     = "1980-01-01",
                StartDate    = "2018-01-01"
            };

            var employee = new Employee
                           (
                0,
                "Elif",
                "Olgun",
                ContractType.FullTime,
                new DateTime(2018, 1, 1),
                new DateTime(1980, 1, 1)
                           );

            var actual = _employeeConverter.ToDataTransferObject(employee);

            Assert.AreEqual(expected.Id, actual.Id);
            Assert.AreEqual(expected.BirthDay, actual.BirthDay);
            Assert.AreEqual(expected.ContractType, actual.ContractType);
            Assert.AreEqual(expected.Name, actual.Name);
            Assert.AreEqual(expected.StartDate, actual.StartDate);
            Assert.AreEqual(expected.Surname, actual.Surname);
        }