public void NullLocArrivalTest()
{
var layover = new Layover(1, "2019-01-01", "2019-01-02", 2000, 1, 0);
Assert.Throws <InvalidAttributeException>(() => layover.Validate());
}
public void EmptyArrivalDateTest()
{
var layover = new Layover(1, "2019-01-01", "", 2000, 0, 2);
Assert.Throws <InvalidAttributeException>(() => layover.Validate());
}