RepositoryService service = (RepositoryService) lookup( RepositoryService.ROLE );
LocalRepository repository = new LocalRepository();
repository.setName( "defaultRepo" );
repository.setLocation( getTestFile( "target/default-repository" ).getAbsolutePath() );
repository = service.addLocalRepository( repository );
ProjectGroup group = new ProjectGroup();
group.setGroupId( "testGroup" );
group.setName( "testGroup" );
group.setLocalRepository( repository );