diff --git a/package.json b/package.json
index 4c8bc5b..2b27548 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,7 @@
   "description": "SocketIO client running inside a shared WebWorker thread",
   "main": "index.js",
   "scripts": {
-    "test": "mocha",
+    "test": "mocha test/*.test.js",
     "test:e2e": "npx cypress open",
     "start": "node server.js",
     "start:io": "node server.js",
diff --git a/test/socket.io-worker.test.js b/test/socket.io-worker.test.js
index 52754af..197c97a 100644
--- a/test/socket.io-worker.test.js
+++ b/test/socket.io-worker.test.js
@@ -16,6 +16,7 @@ describe('socket.io-worker', () => {
 
     ws.on('message', event => {
         assert(event === hello)
+        if (ws.socket) ws.socket.close() // @todo fix
         done()
     })
   })