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
doWidgetSelected(e);
				}
			};
			int nButtons= fButtonNames.length;
			fButtons= new Button[nButtons];
			fButtons[0]= createSelectionButton(0, fButtonComposite, listener);
			fButtons[1]= createMainCombo(1, fButtonComposite, listener);
			for (int i= 2; i < nButtons; i++) {
				fButtons[i]= createSelectionButton(i, fButtonComposite, listener);
			}
			int nRows= nButtons / fGroupNumberOfColumns;
			int nFillElements= nRows * fGroupNumberOfColumns - nButtons;
			for (int i= 0; i < nFillElements; i++) {
				createEmptySpace(fButtonComposite);
			}
		}
		return fButtonComposite;
	}
	/**
	 * Returns a button from the group or <code>null</code> if not yet created.
	 */	
	public Button getSelectionButton(int index) {
		if (index >= 0 && index < fButtons.length) {
			return fButtons[index];
		}
		return null;
	}
	
	private void doWidgetSelected(SelectionEvent e) {
		Button button= (Button)e.widget;