proxy: skip TestUDPWriteError on macOS

Signed-off-by: Sebastiaan van Stijn <[email protected]>

Author: thaJeztah

proxy/network_proxy_test.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"net"
+	"runtime"
 	"strings"
 	"testing"
 	"time"
@@ -182,6 +183,9 @@ func TestUDP6Proxy(t *testing.T) {
 }
 
 func TestUDPWriteError(t *testing.T) {
+	if runtime.GOOS == "darwin" {
+		t.Skip("FIXME: doesn't pass on macOS")
+	}
 	frontendAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 0}
 	// Hopefully, this port will be free: */
 	backendAddr := &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 25587}