public void TestHasEntityWithIDUnhappyPath()
 {
     var manager = new DemoEntityManager ();
     var entity = manager.CreateEntity ();
     Console.WriteLine ("Added entiry: " + entity.UniqueId);
     IComparable nonExistingID = DemoEntity.RandomGuid ();
     bool b = manager.HasEntityWithID (nonExistingID);
     Console.WriteLine ("Looking up " + nonExistingID + "; " + b);
     Assert.IsFalse(b, "Checking for non existing entity ID failed.");
 }
        public void TestHasEntityWithIDHappyPath()
        {
            var manager = new DemoEntityManager ();
            var entity = manager.CreateEntity ();
            bool b = manager.HasEntityWithID (entity.UniqueId);

            Assert.IsTrue(b, "Checking for existing entity ID failed.");
        }