'Set up the list of fields each time since the call to S3DataTables
could change it.'

def setUp(self):

    current.auth.override = True
    resource = current.s3db.resource('org_office')
    list_fields = ['id', 'organisation_id$name', 'organisation_id$address', 'name', 'office_type_id', 'location_id$L0', 'location_id$L1', 'location_id$L2', 'location_id$L3', 'phone1', 'email']
    self.resource = resource
    self.list_fields = list_fields
    data = resource.select(list_fields)
    self.data = data['rows']
    self.rfields = data['rfields']
