Adjust + Test

models/common/pricing/pricing_strategy.go

@@ -85,10 +85,6 @@ const (
 	PER_MONTH
 )
 
-func IsTimeStrategy(i int) bool {
-	return len(TimePricingStrategyList()) < i
-}
-
 func (t TimePricingStrategy) String() string {
 	return [...]string{"ONCE", "PER SECOND", "PER MINUTE", "PER HOUR", "PER DAY", "PER WEEK", "PER MONTH"}[t]
 }