public void GetAvailableReservationsSingleCapmgroundTest(int campgroundId, string startDate, string endDate)
{
//Arrange
SiteSqlDAO dao = new SiteSqlDAO(ConnectionString);
//Act
IList <Site> sites = dao.GetAvailableReservationsSingleCapmground(campgroundId, startDate, endDate);
//Assert
Assert.AreEqual(1, sites.Count);
}