Fix travis build script to fail if tests fail
Fix travis build script to fail if tests fail

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