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
if (fGroupBorderStyle == SWT.NONE) {
			Label label= getLabelControl(parent);
			label.setLayoutData(gridDataForLabel(1));
		
			Composite buttonsgroup= getSelectionButtonsGroup(parent);
			GridData gd= new GridData();
			gd.horizontalSpan= nColumns - 1;
			buttonsgroup.setLayoutData(gd);
			return new Control[] { label, buttonsgroup };
		} else {
			Composite buttonsgroup= getSelectionButtonsGroup(parent);
			GridData gd= new GridData();
			gd.horizontalSpan= nColumns;
			buttonsgroup.setLayoutData(gd);
			return new Control[] { buttonsgroup };
		}
	}	
	/*
	 * @see DialogField#doFillIntoGrid
	 */	
	public int getNumberOfControls() {
		return (fGroupBorderStyle == SWT.NONE) ? 2 : 1;
	}
	
	private Button createSelectionButton(int index, Composite group, SelectionListener listener) {
		Button button= new Button(group, fButtonsStyle | SWT.LEFT);
		button.setFont(group.getFont());			
		button.setText(fButtonNames[index]);
		button.setEnabled(isEnabled() && fButtonsEnabled[index]);