Stop caching test token
Stop caching test token

Caching this token for each user causes some hard to trace test failures
for user #3 because that user has an invalidateTokensIssuedBefore value
which is set to the current time. If that fixture reloads after this
token is generated they'll be out of sync

thecoolestguy/ilios,dartajax/ilios,stopfstedt/ilios,thecoolestguy/ilios,stopfstedt/ilios,Trott/ilios,ilios/ilios,dartajax/ilios,ilios/ilios,Trott/ilios