Fix a few 'listening' race conditions

in
test-net-timeout
test-http-client-parse-error

test/pummel/test-net-timeout.js

@@ -32,7 +32,6 @@ var echo_server = net.createServer(function (socket) {
 
 echo_server.listen(common.PORT, function () {
   console.log("server listening at " + common.PORT);
-});
 
   var client = net.createConnection(common.PORT);
   client.setEncoding("UTF8");
@@ -71,6 +70,7 @@ client.addListener("close", function () {
     console.log("client disconnect");
     echo_server.close();
   });
+});
 
 process.addListener("exit", function () {
   assert.ok(starttime != null);

test/simple/test-http-client-parse-error.js

@@ -12,19 +12,20 @@ var srv = net.createServer(function(c) {
 
   c.addListener('end', function() { c.end(); });
 });
-srv.listen(common.PORT, '127.0.0.1');
 
+var parseError = false;
+
+srv.listen(common.PORT, '127.0.0.1', function () {
   var hc = http.createClient(common.PORT, '127.0.0.1');
   hc.request('GET', '/').end();
 
-var parseError = false;
-
   hc.on('error', function (e) {
     console.log("got error from client");
     srv.close();
     assert.ok(e.message.indexOf("Parse Error") >= 0);
     parseError = true;
   });
+});
 
 
 process.addListener('exit', function() {