Add test coverage for Auth0 organizations
Add test coverage for Auth0 organizations

This covers cases where users are or are not members of organizations as
well as whether or not they should have access to the application based
on their organization membership.

influxdb/influxdb,nooproblem/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,nooproblem/influxdb,influxdata/influxdb,nooproblem/influxdb,influxdb/influxdb,li-ang/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,influxdata/influxdb,mark-rushakoff/influxdb,influxdb/influxdb,li-ang/influxdb,nooproblem/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb