diff --git a/test/integration/endpoints/subscribe.test.ts b/test/integration/endpoints/subscribe.test.ts
index 9e4c6bd2f..49dc4fa71 100644
--- a/test/integration/endpoints/subscribe.test.ts
+++ b/test/integration/endpoints/subscribe.test.ts
@@ -10,6 +10,7 @@ import utils from '../../utils';
 describe('subscribe endpoints', () => {
   let pubnubWithFiltering: PubNub;
   let pubnub: PubNub;
+  let pubnubWithEE: PubNub;
 
   before(() => {
     nock.disableNetConnect();
@@ -38,6 +39,15 @@ describe('subscribe endpoints', () => {
       filterExpression: 'hello!',
       autoNetworkDetection: false,
     });
+    pubnubWithEE = new PubNub({
+      subscribeKey: 'mySubKey',
+      publishKey: 'myPublishKey',
+      uuid: 'myUUID',
+      // @ts-expect-error Force override default value.
+      useRequestId: false,
+      enableEventEngine: true,
+      logVerbosity: true,
+    });
   });
 
   afterEach(() => {
@@ -192,4 +202,51 @@ describe('subscribe endpoints', () => {
       channels: ['coolChannel', 'coolChannel2'],
     });
   });
+
+  it('supports timetoken', (done) => {
+    const scope0 = utils
+      .createNock()
+      .get('/v2/subscribe/mySubKey/c1/0')
+      .query({
+        pnsdk: `PubNub-JS-Nodejs/${pubnub.getVersion()}`,
+        uuid: 'myUUID',
+        ee: '',
+        tt: 0,
+      })
+      .reply(
+        200,
+        '{"t":{"t":"14523669555221452","r":1},"m":[{"a":"4","f":0,"i":"Client-g5d4g","p":{"t":"14607577960925503","r":1},"k":"sub-c-4cec9f8e-01fa-11e6-8180-0619f8945a4f","c":"coolChannel","d":{"text":"Enter Message Here"},"b":"coolChan-bnel"}]}',
+        { 'content-type': 'text/javascript' },
+      );
+    const scope = utils
+      .createNock()
+      .get('/v2/subscribe/mySubKey/c1/0')
+      .query({
+        pnsdk: `PubNub-JS-Nodejs/${pubnub.getVersion()}`,
+        uuid: 'myUUID',
+        ee: '',
+        tt: '1234567890',
+        tr: 1,
+      })
+      .reply(
+        200,
+        '{"t":{"t":"146075779609322","r":1},"m":[{"a":"4","f":0,"i":"test","p":{"t":"14607577960925503","r":1},"k":"mySubKey","c":"c1","d":{"text":"customttresponse"},"b":"c1"}]}',
+        { 'content-type': 'text/javascript' },
+      );
+
+    pubnubWithEE.addListener({
+      message(message) {
+        try {
+          assert.deepEqual(message.message, { text: 'customttresponse' });
+          assert.equal(scope.isDone(), true);
+          done();
+        } catch (error) {
+          done(error);
+        }
+      },
+    });
+    const channel = pubnubWithEE.channel('c1');
+    const subscription = channel.subscription();
+    subscription.subscribe({ timetoken: '1234567890' });
+  }) ;
 });