Add python test for new file functionality
Add python test for new file functionality

msmolens/girder,Kitware/girder,msmolens/girder,RafaelPalomar/girder,opadron/girder,jcfr/girder,data-exp-lab/girder,sutartmelson/girder,Xarthisius/girder,RafaelPalomar/girder,data-exp-lab/girder,opadron/girder,jcfr/girder,data-exp-lab/girder,essamjoubori/girder,Kitware/girder,essamjoubori/girder,jbeezley/girder,manthey/girder,adsorensen/girder,data-exp-lab/girder,kotfic/girder,sutartmelson/girder,kotfic/girder,adsorensen/girder,opadron/girder,salamb/girder,girder/girder,manthey/girder,essamjoubori/girder,Xarthisius/girder,adsorensen/girder,RafaelPalomar/girder,msmolens/girder,chrismattmann/girder,jbeezley/girder,sutartmelson/girder,salamb/girder,jcfr/girder,kotfic/girder,salamb/girder,girder/girder,salamb/girder,salamb/girder,jbeezley/girder,adsorensen/girder,Kitware/girder,RafaelPalomar/girder,kotfic/girder,manthey/girder,chrismattmann/girder,msmolens/girder,chrismattmann/girder,msmolens/girder,opadron/girder,opadron/girder,girder/girder,Xarthisius/girder,Xarthisius/girder,Xarthisius/girder,Kitware/girder,manthey/girder,jcfr/girder,RafaelPalomar/girder,essamjoubori/girder,jcfr/girder,chrismattmann/girder,jbeezley/girder,sutartmelson/girder,sutartmelson/girder,essamjoubori/girder,chrismattmann/girder,kotfic/girder,adsorensen/girder,data-exp-lab/girder,girder/girder