Bug 166600 [DataBinding] Refactor tests to be in the correct packages
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/databinding/observable/value/AbstractObservableValueTest.java
int doSetValue;
			ValueStub(Realm realm) {
				super(realm);
			}
			protected void doSetValue(Object value) {
				doSetValue++;
			}
		}
		Realm realm = new CurrentRealm(true);
		ValueStub stub = new ValueStub(realm);
		assertEquals(0, stub.doSetValue);
		stub.setValue(new Object());
		assertEquals("doSetValue should have been invoked", 1, stub.doSetValue);
	}
	public void testFireValueChangeRealmChecks() throws Exception {
		RealmTester.exerciseCurrent(new Runnable() {
			public void run() {
				ObservableValueStub observable = new ObservableValueStub();
				observable.fireValueChange(null);
			}
		});
	}
	private static class ObservableValueStub extends AbstractObservableValue {