func (s *MachinerSuite) waitMachineStatus(c *C, m *state.Machine, expectStatus params.Status) { timeout := time.After(worstCase) for { select { case <-timeout: c.Fatalf("timeout while waiting for machine status to change") case <-time.After(10 * time.Millisecond): status, _, err := m.Status() c.Assert(err, IsNil) if status != expectStatus { c.Logf("machine %q status is %s, still waiting", m, status) continue } return } } }