func waitAlarm(c *gc.C, clock *coretesting.Clock) {
select {
case <-clock.Alarms():
case <-time.After(coretesting.LongWait):
c.Fatalf("timed out waiting for SUT to use clock")
}
}
func waitAlarms(c *gc.C, clock *testing.Clock, count int) {
timeout := time.After(testing.LongWait)
for i := 0; i < count; i++ {
select {
case <-clock.Alarms():
case <-timeout:
c.Fatalf("timed out waiting for %dth alarm set", i)
}
}
}