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/AbstractVetoableValueTest.java
VetoableValueStub observable = new VetoableValueStub();
				observable.fireValueChanging(null);
			}
    	});
	}
    
    private static class VetoableValueStub extends AbstractVetoableValue {
    	VetoableValueStub() {
    		this(Realm.getDefault());
    	}
    	
    	VetoableValueStub(Realm realm) {
    		super(realm);
    	}
    	
		protected void doSetApprovedValue(Object value) {
		}
		protected Object doGetValue() {
			return null;
		}
		public Object getValueType() {
			return null;
		}    	
		
		protected boolean fireValueChanging(ValueDiff diff) {
			return super.fireValueChanging(diff);
		}
    }
}