Bug 166600 [DataBinding] Refactor tests to be in the correct packages
tests/org.eclipse.jface.tests.databinding/src/org/eclipse/jface/tests/internal/databinding/internal/beans/JavaBeanObservableMapTest.java
int count;
		MapDiff diff;
		public void handleMapChange(MapChangeEvent event) {
			count++;
			this.diff = event.diff;
		}
	}
}