Add tests for MIME type filter
Add tests for MIME type filter

salamb/girder,Kitware/girder,girder/girder,kotfic/girder,sutartmelson/girder,RafaelPalomar/girder,Kitware/girder,sutartmelson/girder,Kitware/girder,RafaelPalomar/girder,Xarthisius/girder,jbeezley/girder,data-exp-lab/girder,jbeezley/girder,kotfic/girder,adsorensen/girder,Xarthisius/girder,Kitware/girder,RafaelPalomar/girder,manthey/girder,jbeezley/girder,Xarthisius/girder,jbeezley/girder,adsorensen/girder,kotfic/girder,RafaelPalomar/girder,data-exp-lab/girder,adsorensen/girder,data-exp-lab/girder,data-exp-lab/girder,salamb/girder,manthey/girder,data-exp-lab/girder,girder/girder,Xarthisius/girder,girder/girder,sutartmelson/girder,sutartmelson/girder,RafaelPalomar/girder,girder/girder,adsorensen/girder,manthey/girder,salamb/girder,adsorensen/girder,kotfic/girder,Xarthisius/girder,sutartmelson/girder,salamb/girder,kotfic/girder,manthey/girder,salamb/girder