Fix some tests and format code (#830)

* Increase some tls test timeout

* Fix TestUserValidator

* Change all tests to VMessAEAD

Old VMess MD5 tests will be rejected and fail in 2022

* Chore: auto format code

proxy/shadowsocks/server.go

@@ -4,8 +4,6 @@ import (
 	"context"
 	"time"
 
-	"github.com/xtls/xray-core/transport/internet/stat"
-
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/common/buf"
 	"github.com/xtls/xray-core/common/log"
@@ -18,6 +16,7 @@ import (
 	"github.com/xtls/xray-core/core"
 	"github.com/xtls/xray-core/features/policy"
 	"github.com/xtls/xray-core/features/routing"
+	"github.com/xtls/xray-core/transport/internet/stat"
 	"github.com/xtls/xray-core/transport/internet/udp"
 )