public void IsMonthOfPeriod(int period, int referenceMonth, int month, bool expectedIsPeriodMonth)
{
var entity = new StandingOrderEntityImp
{
MonthPeriodStep = period,
ReferenceDay = 1,
ReferenceMonth = referenceMonth
};
Assert.That(entity.IsMonthOfPeriod(month), Is.EqualTo(expectedIsPeriodMonth));
}
