func waitForJobEvents(t *c.C, events chan *ct.JobEvent, diff map[string]int) error {
actual := make(map[string]int)
for {
select {
case event := <-events:
switch event.State {
case "up":
actual[event.Type] += 1
case "down":
actual[event.Type] -= 1
}
if processesEqual(diff, actual) {
return nil
}
case <-time.After(5 * time.Second):
t.Fatal("timed out waiting for job events")
}
}
}
