#3911 FTP.makeport was giving bad port numbers

reviewed by Benjamin and Antoine
diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index 10eabba..ae889f9 100644
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -348,7 +348,7 @@
         self.client.dir(lambda x: l.append(x))
         self.assertEqual(''.join(l), LIST_DATA.replace('\r\n', ''))
 
-    def Xtest_makeport(self):
+    def test_makeport(self):
         self.client.makeport()
         # IPv4 is in use, just make sure send_eprt has not been used
         self.assertEqual(self.server.handler.last_received_cmd, 'port')