we need websocket polyfill on relay tests.

package.json

@@ -37,7 +37,8 @@
     "node-fetch": "2",
     "ts-jest": "^29.0.3",
     "tsd": "^0.22.0",
-    "typescript": "^4.9.4"
+    "typescript": "^4.9.4",
+    "websocket-polyfill": "^0.0.3"
   },
   "scripts": {
     "build": "node build.js",

relay.test.js

@@ -1,5 +1,6 @@
 /* eslint-env jest */
 
+require('websocket-polyfill')
 const {
   relayInit,
   generatePrivateKey,
@@ -8,18 +9,17 @@ const {
   signEvent
 } = require('./lib/nostr.cjs')
 
-describe('relay interaction', () => {
-  let relay = relayInit('wss://nostr-pub.semisol.dev/')
+let relay = relayInit('wss://nostr-pub.semisol.dev/')
 
-  beforeAll(() => {
+beforeAll(() => {
   relay.connect()
-  })
+})
 
-  afterAll(async () => {
+afterAll(async () => {
   await relay.close()
-  })
+})
 
-  test('connectivity', () => {
+test('connectivity', () => {
   return expect(
     new Promise(resolve => {
       relay.on('connect', () => {
@@ -30,17 +30,15 @@ describe('relay interaction', () => {
       })
     })
   ).resolves.toBe(true)
-  })
+})
 
-  test('querying', () => {
+test('querying', () => {
   var resolve1
   var resolve2
 
   let sub = relay.sub([
     {
-        ids: [
-          'd7dd5eb3ab747e16f8d0212d53032ea2a7cadef53837e5a6c66d42849fcb9027'
-        ]
+      ids: ['d7dd5eb3ab747e16f8d0212d53032ea2a7cadef53837e5a6c66d42849fcb9027']
     }
   ])
   sub.on('event', event => {
@@ -64,9 +62,9 @@ describe('relay interaction', () => {
       })
     ])
   ).resolves.toEqual([true, true])
-  })
+})
 
-  test('listening (twice) and publishing', async () => {
+test('listening (twice) and publishing', async () => {
   let sk = generatePrivateKey()
   let pk = getPublicKey(sk)
   var resolve1
@@ -113,5 +111,4 @@ describe('relay interaction', () => {
       })
     ])
   ).resolves.toEqual([true, true])
-  })
 })