Bug 81099 JUnit preference does not Restore Defaults [JUnit]
I200412142000 Restore Defaults has no effect on the "Show JUnit view only when error occurs" preference.
org.eclipse.jdt.junit/src/org/eclipse/jdt/internal/junit/ui/JUnitPreferencePage.java
private static final String DEFAULT_NEW_FILTER_TEXT= ""; 
	private static final Image IMG_CUNIT= JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_CLASS);
	private static final Image IMG_PKG= JavaUI.getSharedImages().getImage(ISharedImages.IMG_OBJS_PACKAGE);
	
	
	private CheckboxTableViewer fFilterViewer;
	private Table fFilterTable;
	private Button fShowOnErrorCheck;
	private Button fAddPackageButton;
	private Button fAddTypeButton;
	private Button fRemoveFilterButton;
	private Button fAddFilterButton;
	private Button fEnableAllButton;
	private Button fDisableAllButton;
	private Text fEditorText;
	private String fInvalidEditorText= null;
	private TableEditor fTableEditor;
	private TableItem fNewTableItem;
	private Filter fNewStackFilter;
	private Label fTableLabel;
	private StackFilterContentProvider fStackFilterContentProvider;
	/**
	 * Model object that represents a single entry in the filter table.
	 */
	private static class Filter {
		private String fName;
		private boolean fChecked;
		public Filter(String name, boolean checked) {
			setName(name);