@Override
    public String toString() {
        return "LocalEntryEventData{"
                + "eventType=" + eventType
                + ", key=" + getKey()
                + ", source='" + source + '\''
                + ", mapName='" + mapName + '\''
                + '}';
    }
@Test
    public void testToString() {
        assertContains(dataEvent.toString(), "LocalEntryEventData");
    }