public void testSerialization() throws IOException, ClassNotFoundException {
MockSource source = new MockSource();
VetoableChangeSupport support = new VetoableChangeSupport(source);
String propertyName1 = "text";
SerializedVCListener serialized = new SerializedVCListener(
propertyName1);
support.addVetoableChangeListener(propertyName1, serialized);
String propertyName2 = "top";
NonSerializedVCListener nonSerialized = new NonSerializedVCListener(