Traceback (most recent call last):
  File "nova/tests/functional/test_aggregates.py", line 131, in test_foo
    self._add_host_to_aggregate('test', 'host1')
  File "nova/tests/functional/test_aggregates.py", line 118, in _add_host_to_aggregate
    [agg['uuid']])
  File "nova/scheduler/client/report.py", line 67, in wrapper
    return f(self, *a, **k)
  File "nova/scheduler/client/report.py", line 1298, in set_aggregates_for_provider
    self._provider_tree.update_aggregates(rp_uuid, placement_aggs)
  File "nova/compute/provider_tree.py", line 567, in update_aggregates
    provider = self._find_with_lock(name_or_uuid)
  File "nova/compute/provider_tree.py", line 370, in _find_with_lock
    raise ValueError(_("No such provider %s") % name_or_uuid)
ValueError: No such provider 7d33652d-476a-4f6e-82e8-2cc0138ce2db


from basically

self.start_service('compute')
report_client.set_aggregates_for_provider(context, host_uuid, [agg_uuid])