public void Should_MonthYear_Be_Equals()
{
MonthYear monthYearOne = new MonthYear(2021, 3);
MonthYear monthYearSecond = new MonthYear(2021, 3);
MonthYear monthYearThree = monthYearOne;
Assert.True(monthYearOne.Equals(monthYearSecond));
Assert.True(monthYearOne.Equals(monthYearThree));
Assert.True(monthYearOne.GetHashCode() == monthYearThree.GetHashCode());
}