filter.addField( MAVEN.GROUP_ID );
filter.addField( MAVEN.ARTIFACT_ID );
IteratorSearchRequest request = new IteratorSearchRequest( q, filter );
IteratorSearchResponse response = indexer.searchIterator( request );
assertEquals( "15 total hits (before filtering!)", 15, response.getTotalHits() );
ArtifactInfo ai = response.getResults().next();
assertTrue( "Iterator has to have next (2 should be returned)", ai != null );