Revert test back

Author: asvetlov

Lib/test/test_ipaddress.py

@@ -1323,15 +1323,14 @@ def testGetIp(self):
 
     def testIPv6IPv4MappedStringRepresentation(self):
         long_prefix = '0000:0000:0000:0000:0000:ffff:'
+        short_prefix = '::ffff:'
         ipv4 = '1.2.3.4'
-        for short_prefix in ('::ffff:', '::'):
-            ipv6_ipv4_str = '%s%s' % (short_prefix, ipv4)
-            with self.subTest(addr=ipv6_ipv4_str):
-                ipv6_ipv4_addr = ipaddress.IPv6Address(ipv6_ipv4_str)
-                ipv6_ipv4_iface = ipaddress.IPv6Interface(ipv6_ipv4_str)
-                self.assertEqual(str(ipv6_ipv4_addr), ipv6_ipv4_str)
-                self.assertEqual(ipv6_ipv4_addr.exploded, long_prefix + ipv4)
-                self.assertEqual(str(ipv6_ipv4_iface.ip), ipv6_ipv4_str)
+        ipv6_ipv4_str = short_prefix + ipv4
+        ipv6_ipv4_addr = ipaddress.IPv6Address(ipv6_ipv4_str)
+        ipv6_ipv4_iface = ipaddress.IPv6Interface(ipv6_ipv4_str)
+        self.assertEqual(str(ipv6_ipv4_addr), ipv6_ipv4_str)
+        self.assertEqual(ipv6_ipv4_addr.exploded, long_prefix + ipv4)
+        self.assertEqual(str(ipv6_ipv4_iface.ip), ipv6_ipv4_str)
 
     def testGetScopeId(self):
         self.assertEqual(self.ipv6_address.scope_id,