public void GetandSetParentIDTest()
        {
            MeetingNode meeting0 = new MeetingNode(mTitle, mID, sTime, eTime, "", Attendents);
            MeetingNode meeting  = new MeetingNode(mTitle, mID, sTime, eTime, PID, Attendents);

            //test empty
            String actualPID0 = meeting0.GetParentID();

            Assert.AreEqual("", actualPID0, "Actual Parent ID not equal to empty");

            //test get
            String actualPID1 = meeting.GetParentID();

            Assert.AreEqual(PID, actualPID1, "Actual meeting ID not equal to PID");

            //test set string
            meeting.SetParentID("01");
            String actualPID2 = meeting.GetParentID();

            Assert.AreEqual("01", actualPID2, "Actual meeting ID not equal to 01");

            //test set int
            meeting.SetParentID(1);
            String actualPID3 = meeting.GetParentID();

            Assert.AreEqual("1", actualPID3, "Actual meeting ID not equal to 1");
        }