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

transport/internet/tcp_hub.go

@@ -3,9 +3,8 @@ package internet
 import (
 	"context"
 
-	"github.com/xtls/xray-core/transport/internet/stat"
-
 	"github.com/xtls/xray-core/common/net"
+	"github.com/xtls/xray-core/transport/internet/stat"
 )
 
 var transportListenerCache = make(map[string]ListenFunc)