Re-add spec for testing JobListWidget with allJobsMode
Re-add spec for testing JobListWidget with allJobsMode

Exclude the code that was throwing 4xx Ajax errors without actually
asserting anything.

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