diff --git a/transport/internet/sockopt_linux_test.go b/transport/internet/sockopt_linux_test.go
deleted file mode 100644
index 1d2cfc4ce..000000000
--- a/transport/internet/sockopt_linux_test.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package internet_test
-
-import (
-	"context"
-	"syscall"
-	"testing"
-
-	"v2ray.com/core/common"
-	"v2ray.com/core/common/net"
-	"v2ray.com/core/testing/servers/tcp"
-	. "v2ray.com/core/transport/internet"
-)
-
-func TestSockOptMark(t *testing.T) {
-	t.Skip("requires CAP_NET_ADMIN")
-
-	tcpServer := tcp.Server{
-		MsgProcessor: func(b []byte) []byte {
-			return b
-		},
-	}
-	dest, err := tcpServer.Start()
-	common.Must(err)
-	defer tcpServer.Close()
-
-	const mark = 1
-	ctx := context.Background()
-	ctx = ContextWithStreamSettings(ctx, &MemoryStreamConfig{
-		SocketSettings: &SocketConfig{
-			Mark: mark,
-		},
-	})
-	dialer := DefaultSystemDialer{}
-	conn, err := dialer.Dial(ctx, nil, dest)
-	common.Must(err)
-	defer conn.Close()
-
-	rawConn, err := conn.(*net.TCPConn).SyscallConn()
-	common.Must(err)
-	err = rawConn.Control(func(fd uintptr) {
-		m, err := syscall.GetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK)
-		common.Must(err)
-		if mark != m {
-			t.Fatal("unexpected conneciton mark", m, " want ", mark)
-		}
-	})
-	common.Must(err)
-}
diff --git a/transport/internet/sockopt_test.go b/transport/internet/sockopt_test.go
index 4bf6ea603..504c6a208 100644
--- a/transport/internet/sockopt_test.go
+++ b/transport/internet/sockopt_test.go
@@ -2,16 +2,18 @@ package internet_test
 
 import (
 	"context"
+	"syscall"
 	"testing"
 
 	"v2ray.com/core/common"
 	"v2ray.com/core/common/buf"
 	"v2ray.com/core/common/compare"
+	"v2ray.com/core/common/net"
 	"v2ray.com/core/testing/servers/tcp"
 	. "v2ray.com/core/transport/internet"
 )
 
-func TestSockOptMark(t *testing.T) {
+func TestTCPFastOpen(t *testing.T) {
 	tcpServer := tcp.Server{
 		MsgProcessor: func(b []byte) []byte {
 			return b
@@ -41,3 +43,39 @@ func TestSockOptMark(t *testing.T) {
 		t.Fatal(err)
 	}
 }
+
+func TestSockOptMark(t *testing.T) {
+	t.Skip("requires CAP_NET_ADMIN")
+
+	tcpServer := tcp.Server{
+		MsgProcessor: func(b []byte) []byte {
+			return b
+		},
+	}
+	dest, err := tcpServer.Start()
+	common.Must(err)
+	defer tcpServer.Close()
+
+	const mark = 1
+	ctx := context.Background()
+	ctx = ContextWithStreamSettings(ctx, &MemoryStreamConfig{
+		SocketSettings: &SocketConfig{
+			Mark: mark,
+		},
+	})
+	dialer := DefaultSystemDialer{}
+	conn, err := dialer.Dial(ctx, nil, dest)
+	common.Must(err)
+	defer conn.Close()
+
+	rawConn, err := conn.(*net.TCPConn).SyscallConn()
+	common.Must(err)
+	err = rawConn.Control(func(fd uintptr) {
+		m, err := syscall.GetsockoptInt(int(fd), syscall.SOL_SOCKET, syscall.SO_MARK)
+		common.Must(err)
+		if mark != m {
+			t.Fatal("unexpected conneciton mark", m, " want ", mark)
+		}
+	})
+	common.Must(err)
+}