Tests: Node.js application tests.

test/node/write_buffer/app.js

@@ -0,0 +1,6 @@
+#!/usr/bin/env node
+
+require('unit-http').createServer(function (req, res) {
+    res.writeHead(200, {'Content-Type': 'text/plain'});
+    res.end(new Buffer([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]));
+}).listen(7080);