Fix intermittent failure in web client data tests
Fix intermittent failure in web client data tests

ping @cpatrick @manthey

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