+ if math_rand.Float64() < sis.driver.ErrorRateCreate {
+ return nil, fmt.Errorf("StubInstanceSet: rand < ErrorRateCreate %f", sis.driver.ErrorRateCreate)
+ }
+ if max := sis.driver.QuotaMaxInstances; max > 0 && len(sis.servers) >= max {
+ return nil, QuotaError{fmt.Errorf("StubInstanceSet: reached QuotaMaxInstances %d", max)}
+ }