@Test
public void testEquals() {

ualsFilter filter = new EqualsFilter("a", "b");
dFilter originalObject = new AndFilter().and(filter);
    AndFilter identicalObject = new AndFilter().and(filter);
dFilter differentObject = new AndFilter().and(new EqualsFilter("b", "b"));
    AndFilter subclassObject = new AndFilter() {
    }.and(filter);
    new EqualsTester(originalObject, identicalObject, differentObject,
            subclassObject);
}