fixes to roles test, problems being caused by the first person becoming an admin, when the tests are not expecting it.
fixes to roles test, problems being caused by the first person becoming an admin, when the tests are not expecting it.

stuzart/seek,Virtual-Liver-Network/seek,Virtual-Liver-Network/seek,BioVeL/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/seek,kjgarza/frame_experiment,aina1205/nmtrypi-seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/seek,SynthSys/seek,aina1205/SysMO-DB-seek,kjgarza/frame_experiment,HITS-SDBV/nmtrypi-seek,SynthSys/seek,Virtual-Liver-Network/seek,aina1205/nmtrypi-seek,aina1205/SysMO-DB-seek,BioVeL/seek,stuzart/seek,SynthSys/seek,aina1205/nmtrypi-seek,kjgarza/frame_experiment,SynthSys/seek,aina1205/SysMO-DB-seek,BioVeL/seek,HITS-SDBV/nmtrypi-seek,HITS-SDBV/seek,BioVeL/seek,HITS-SDBV/seek,stuzart/seek,Virtual-Liver-Network/seek,kjgarza/frame_experiment,aina1205/nmtrypi-seek