refactor fixtures and add 2 more tests for old collections
refactor fixtures and add 2 more tests for old collections

jbeezley/girder,manthey/girder,jbeezley/girder,Kitware/girder,RafaelPalomar/girder,girder/girder,jbeezley/girder,girder/girder,RafaelPalomar/girder,manthey/girder,RafaelPalomar/girder,manthey/girder,RafaelPalomar/girder,Kitware/girder,RafaelPalomar/girder,girder/girder,jbeezley/girder,girder/girder,manthey/girder,Kitware/girder,Kitware/girder