public void EmitAFSOWithNoBaseDefinition()
 {
     var fso = new FinalStateObject() { Name = "hi", BaseDefinition = null };
     var ms = new StringWriter();
     fso.Emit(ms);
     var text = ms.ToString().Trim();
     Assert.AreEqual("atlas:hi rdf:type dfs:PhysicsObject .", text);
 }