refactor tests for readability + linting fixes

tests/server.js

@@ -0,0 +1,20 @@
+const WebSocket = require("ws");
+
+const wss = new WebSocket.Server({
+  port: 8081
+});
+
+wss.on("connection", function connection(ws, req) {
+  ws.on("message", function incoming(message) {
+
+    console.log(message)
+      if (message === 'no-token' || message === 'undefined') {
+          console.log('no token to authenticate');
+          ws.send('locked');
+      }
+
+  });
+
+  const ip = req.socket.remoteAddress;
+  console.log("received connection from", ip);
+});