Fix race condition in test-http-exceptions.js

test/simple/test-http-exceptions.js

@@ -12,7 +12,6 @@ server = http.createServer(function (req, res) {
   res.write(server_response);
   res.end();
 });
-server.listen(PORT);
 
 function check_reqs() {
   var done_reqs = 0;
@@ -47,10 +46,19 @@ function add_client(num) {
   return req;
 }
 
+server.listen(PORT, function () {
   for (req_num = 0; req_num < 4 ; req_num += 1) {
     client_requests.push(add_client(req_num));
   }
 
+  timer = setTimeout(function () {
+    process.removeListener("uncaughtException", exception_handler);
+    server.close();
+    assert.strictEqual(4, exception_count);
+    process.exit(0);
+  }, 300);
+});
+
 function exception_handler(err) {
   sys.puts("Caught an exception: " + err);
   if (err.name === "AssertionError") {
@@ -58,11 +66,5 @@ function exception_handler(err) {
   }
   exception_count += 1;
 }
-process.addListener("uncaughtException", exception_handler);
 
-timer = setTimeout(function () {
-  process.removeListener("uncaughtException", exception_handler);
-  server.close();
-  assert.strictEqual(4, exception_count);
-  process.exit(0);
-}, 300);
+process.addListener("uncaughtException", exception_handler);