Move mocked userset to vmess/protocol/user

testing/mocks/mockuserset.go

@@ -1,24 +0,0 @@
-package mocks
-
-import (
-	"github.com/v2ray/v2ray-core/proxy/vmess/config"
-)
-
-type MockUserSet struct {
-	Users      []config.User
-	UserHashes map[string]int
-	Timestamps map[string]int64
-}
-
-func (us *MockUserSet) AddUser(user config.User) error {
-	us.Users = append(us.Users, user)
-	return nil
-}
-
-func (us *MockUserSet) GetUser(userhash []byte) (config.User, int64, bool) {
-	idx, found := us.UserHashes[string(userhash)]
-	if found {
-		return us.Users[idx], us.Timestamps[string(userhash)], true
-	}
-	return nil, 0, false
-}