def _HandleException(self, e):
    return '%s: %s' % (type(e), e)
Download test case when server is invalid.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/datastore_admin/backup_handler.py/BaseDoHandler._HandleException--crossover with--dataset/ETHPy150Open smartfile/django-transfer/django_transfer/tests.py/BadServerTestCase.test_download