Test fails on Node 18

[pieterocp]

~/careplanner/nodejs-websocket (master) $ npm test

[email protected] test mocha -R spec -b

extraHeaders ✓ should create a headerString with extra header options

frames ✓ should connect to a websocket server 1) should deliver texts in order

2 passing (50ms) 1 failing

1. frames should deliver texts in order: TypeError [ERR_UNKNOWN_ENCODING]: Unknown encoding: 1 at new NodeError (node:internal/errors:405:5) at _write (node:internal/streams/writable:296:13) at Writable.write (node:internal/streams/writable:337:10) at Connection.sendText (Connection.js:142:23) at Array.forEach () at Context. (test/test.js:75:8) at process.processImmediate (node:internal/timers:476:21)