Bug 166600 [DataBinding] Refactor tests to be in the correct packages
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/observable/set/AbstractObservableSetRealmTestCase.java
*/
	protected boolean isMutable() {
		return false;
	}
	public void testAdd() throws Exception {
		if (isMutable()) {
			RealmTester.exerciseCurrent(new Runnable() {
				public void run() {
					set.add("");
				}
			});
		}
	}
	public void testAddAll() throws Exception {
		if (isMutable()) {
			RealmTester.exerciseCurrent(new Runnable() {
				public void run() {
					set.addAll(Arrays.asList(new Object[] { "" }));
				}
			});
		}
	}
	public void testRemove() throws Exception {
		if (isMutable()) {
			RealmTester.exerciseCurrent(new Runnable() {
				public void run() {
					set.remove("");
				}
			});
		}