refactor: floats, tests

internal/error/generic.go

@@ -61,7 +61,6 @@ const (
 	ErrInputUpgradeShipTechNotUsed
 	ErrInputUpgradeParameterNotAllowed
 	ErrInputUpgradeShipsAlreadyUpToDate
-	ErrInputUpgradeGroupBreakNotAllowed
 	ErrInputUpgradeTechLevelInsufficient
 )
 
@@ -161,8 +160,6 @@ func GenericErrorText(code int) string {
 		return "Not enough ships in the group to make an upgrade"
 	case ErrUpgradeInsufficientResources:
 		return "Insufficient planet production capacity"
-	case ErrInputUpgradeGroupBreakNotAllowed:
-		return "The Group is already in upgrade state and can't be divided to a smaller group"
 	case ErrInputUpgradeTechLevelInsufficient:
 		return "Insifficient Tech level for requested upgrade"
 	case ErrSendShipHasNoDrives:

internal/error/input.go

@@ -160,10 +160,6 @@ func NewUpgradeInsufficientResourcesError(arg ...any) error {
 	return newGenericError(ErrUpgradeInsufficientResources, arg...)
 }
 
-func NewUpgradeGroupBreakNotAllowedError(arg ...any) error {
-	return newGenericError(ErrInputUpgradeGroupBreakNotAllowed, arg...)
-}
-
 func NewUpgradeTechLevelInsufficientError(arg ...any) error {
 	return newGenericError(ErrInputUpgradeTechLevelInsufficient, arg...)
 }