public void changeName() {
// Arrange
RadioButton rb0 = new RadioButton("myRadioGroup", "foo");
RootPanel.get().add(rb0);
MockValueChangeHandler<Boolean> rb0MockChangeHandler = new MockValueChangeHandler<Boolean>();
rb0.addValueChangeHandler(rb0MockChangeHandler);
RadioButton rb1 = new RadioButton("myRadioGroup", "bar");
RootPanel.get().add(rb1);
MockValueChangeHandler<Boolean> rb1MockChangeHandler = new MockValueChangeHandler<Boolean>();
rb1.addValueChangeHandler(rb1MockChangeHandler);