@Test
public void objectIndex()
{

    Assert.assertEquals( (Integer) 2, objectBundle.mergeObjectIndex( attribute3 ) );
    Assert.assertEquals( (Integer) 0, objectBundle.mergeObjectIndex( attribute1 ) );
    Assert.assertEquals( (Integer) 1, objectBundle.mergeObjectIndex( attribute2 ) );
    Assert.assertEquals( (Integer) 1, objectBundle.mergeObjectIndex( category2 ) );
    Assert.assertEquals( (Integer) 0, objectBundle.mergeObjectIndex( category1 ) );
}