public void TestAddReferenceToCollection()
{
object ts = update.GetResource(nhib.Timesheets.Where(t => !t.Submitted), typeof(Timesheet).FullName);
Assert.IsInstanceOfType(typeof(Timesheet), ts);
Timesheet actualTimesheet = (Timesheet)ts;
TimesheetEntry entry = new TimesheetEntry()
{
EntryDate = DateTime.Now,
NumberOfHours = 5
};
update.AddReferenceToCollection(ts, "Entries", entry);
Assert.IsTrue(actualTimesheet.Entries.Contains(entry));
}