archivaDao.setArtifacts( Collections.singletonList( artifacts ) );
action.setGroupId( selectedGroupId );
String result = action.browseGroup();
assertSuccessResult( result );
BrowsingResults results = action.getResults();
assertNotNull( results );
assertEquals( Arrays.asList( TEST_REPO ), results.getSelectedRepositoryIds() );
assertEquals( groups, results.getGroupIds() );
assertEquals( Collections.singletonList( artifacts ), results.getArtifacts() );
assertNull( results.getSelectedArtifactId() );
assertEquals( selectedGroupId, results.getSelectedGroupId() );
assertNull( results.getVersions() );
assertEquals( selectedGroupId, action.getGroupId() );
assertNull( action.getArtifactId() );
assertNull( action.getRepositoryId() );
assertNull( action.getSharedModel() );