public void ShouldGetDisplayAmountWithFrequencyPostfixNationalMinimums_After1stOct2016(WageUnit unit, string expected)
        {
            // Act.
            string actual = WagePresenter.GetDisplayTextFrequencyPostfix(WageType.NationalMinimum, unit,
                                                                         new WageDetails()
            {
                HoursPerWeek = 37.5m,
                StartDate    = new DateTime(2016, 10, 1)
            });

            // Assert.
            actual.Should().Be(expected);
        }
        public void ShouldGetDisplayAmountWithFrequencyPostfix(WageUnit wageUnit, decimal displayAmount, string expected)
        {
            // Act.
            string actual =
                WagePresenter.GetDisplayTextFrequencyPostfix(WageType.Custom, wageUnit,
                                                             new WageDetails()
            {
                Amount = displayAmount
            });

            // Assert.
            actual.Should().Be(expected);
        }