Add WebSocket test project. See #1332.

tests/vibe.http.websocket/dub.json

@@ -0,0 +1,7 @@
+{
+	"name": "1332",
+	"dependencies": {
+		"vibe-d:http": { "path": "../../" }
+	},
+	"versions": ["VibeDefaultMain"]
+}

tests/vibe.http.websocket/source/app.d

@@ -0,0 +1,34 @@
+import vibe.core.core;
+import vibe.core.log;
+import vibe.http.server;
+import vibe.http.websockets;
+
+shared static this()
+{
+	auto settings = new HTTPServerSettings;
+	// 10k + issue number -> Avoid bind errors
+	settings.port = 11332;
+	settings.bindAddresses = ["::1", "127.0.0.1"];
+	listenHTTP(settings, handleWebSockets(&onWS));
+
+	runTask({
+		scope(exit) exitEventLoop(true);
+
+		auto ws = connectWebSocket(URL("http://127.0.0.1:11332/"));
+		ws.send("foo");
+		assert(ws.receiveText() == "hello");
+		ws.send("bar");
+		assert(!ws.waitForData);
+		ws.close();
+		logInfo("WebSocket test successful");
+        });
+}
+
+void onWS(scope WebSocket ws)
+{
+	assert(ws.receiveText() == "foo");
+	ws.send("hello");
+	assert(ws.receiveText() == "bar");
+	ws.close();
+}
+