public void ValidDate_IsBetween_ReturnCorrect()
{
DayOfWeek[] daysOfWeeks = { DayOfWeek.Monday, DayOfWeek.Tuesday, DayOfWeek.Wednesday, DayOfWeek.Thursday, DayOfWeek.Friday };
var beginHour = new TimeSpan(8, 0, 0);
var endHour = new TimeSpan(18, 0, 0);
var isBetween = _dateValidator.IsInInterval(daysOfWeeks, beginHour, endHour, new DateTime(2019, 6, 27, 14, 30, 0));
Assert.True(isBetween);
}