* Tests filtering.
*/
@Test
public void testFilter()
{
final StreamEntityDTO e1 = context.mock(StreamEntityDTO.class, "e1");
final StreamEntityDTO e2 = context.mock(StreamEntityDTO.class, "e2");
final StreamEntityDTO e3 = context.mock(StreamEntityDTO.class, "e3");
final StreamEntityDTO e1o = context.mock(StreamEntityDTO.class, "e1o");
final StreamEntityDTO e3o = context.mock(StreamEntityDTO.class, "e3o");
final ActivityDTO a1 = context.mock(ActivityDTO.class, "a1");
final ActivityDTO a2 = context.mock(ActivityDTO.class, "a2");
final ActivityDTO a3 = context.mock(ActivityDTO.class, "a3");
final PersonModelView p7 = context.mock(PersonModelView.class, "p7");
final PersonModelView p8 = context.mock(PersonModelView.class, "p8");