test: skip IPv6 part before testing it

PR-URL: #2226
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Roman Reiss <[email protected]>

Author: thefourtheye

test/sequential/test-net-server-address.js

@@ -19,6 +19,11 @@ server_ipv4.listen(common.PORT, common.localhostIPv4, function() {
   server_ipv4.close();
 });
 
+if (!common.hasIPv6) {
+  console.log('1..0 # Skipped: ipv6 part of test, no IPv6 support');
+  return;
+}
+
 // Test on IPv6 Server
 var localhost_ipv6 = '::1';
 var family_ipv6 = 'IPv6';
@@ -36,11 +41,6 @@ server_ipv6.listen(common.PORT, localhost_ipv6, function() {
   server_ipv6.close();
 });
 
-if (!common.hasIPv6) {
-  console.log('1..0 # Skipped: ipv6 part of test, no IPv6 support');
-  return;
-}
-
 // Test without hostname or ip
 var anycast_ipv6 = '::';
 var server1 = net.createServer();