func (s *ContainerSetupSuite) createContainer(c *gc.C, host *state.Machine, ctype instance.ContainerType) {
inst := s.checkStartInstance(c, host)
s.setupContainerWorker(c, host.Tag())
// make a container on the host machine
template := state.MachineTemplate{
Series: coretesting.FakeDefaultSeries,
Jobs: []state.MachineJob{state.JobHostUnits},
}
container, err := s.State.AddMachineInsideMachine(template, host.Id(), ctype)
c.Assert(err, gc.IsNil)
// the host machine agent should not attempt to create the container
s.checkNoOperations(c)
// cleanup
c.Assert(container.EnsureDead(), gc.IsNil)
c.Assert(container.Remove(), gc.IsNil)
c.Assert(host.EnsureDead(), gc.IsNil)
s.checkStopInstances(c, inst)
s.waitRemoved(c, host)
}