Bug 11844 new TestCase does not store settings
All checkboxes are not persisted
org.eclipse.jdt.junit/src/org/eclipse/jdt/junit/wizards/SelectionButtonGroup.java
* Returns the group widget. When called the first time, the widget will be created.
	 * @param The parent composite when called the first time, or <code>null</code>
	 * after.
	 */
	public Composite getSelectionButtonsGroup(Composite parent) {
		if (fButtonComposite == null) {
			assertCompositeNotNull(parent);
			
			GridLayout layout= new GridLayout();
			layout.makeColumnsEqualWidth= true;
			layout.numColumns= fGroupNumberOfColumns;			
			
			if (fGroupBorderStyle != SWT.NONE) {
				Group group= new Group(parent, fGroupBorderStyle);
				if (fLabelText != null && fLabelText.length() > 0) {
					group.setText(fLabelText);
				}
				fButtonComposite= group;
			} else {
				fButtonComposite= new Composite(parent, SWT.NULL);
				layout.marginHeight= 0;
				layout.marginWidth= 0;
			}
			fButtonComposite.setLayout(layout);
			
			SelectionListener listener= new SelectionListener() {
				public void widgetDefaultSelected(SelectionEvent e) {
					doWidgetSelected(e);
				}
				public void widgetSelected(SelectionEvent e) {