public void GetKeyTwiceInDifferentTimeShouldHaveSameRetrievedOn()
        {
            DataRetrievalResult res1 = DataRetrievalService.GetMyData("DataFile1");
            DataRetrievalResult res2 = DataRetrievalService.GetMyData("DataFile1");

            Assert.IsTrue(res1.RetrievedOn == res2.RetrievedOn,
                          string.Format("RetrievedOn1={0} AND RetrievedOn2={1} should be same!", res1.RetrievedOn,
                                        res2.RetrievedOn));
        }
        public void GetDataBasedOnKnownKeyShouldBeOK()
        {
            DataRetrievalResult res = DataRetrievalService.GetMyData("DataFile1");

            Assert.IsNotNull(res, string.Format("retrieving file should not end up in null!"));
        }