diff --git a/apps/api/src/app/events/e2e/trigger-event-topic.e2e.ts b/apps/api/src/app/events/e2e/trigger-event-topic.e2e.ts
index 36efae8c646b..f91095cedffc 100644
--- a/apps/api/src/app/events/e2e/trigger-event-topic.e2e.ts
+++ b/apps/api/src/app/events/e2e/trigger-event-topic.e2e.ts
@@ -457,30 +457,26 @@ describe('Topic Trigger Event', () => {
           },
         ],
       });
-      const toFirstTopic: Array<TopicPayloadDto | SubscriberPayloadDto | string> = [
-        { type: TriggerRecipientsTypeEnum.Subscriber, topicKey: firstTopicDto.key },
-      ];
+      const toFirstTopic = [{ type: TriggerRecipientsTypeEnum.Topic, topicKey: firstTopicDto.key }];
 
-      await Promise.all([
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-1',
-        }),
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-1',
-        }),
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-1',
-        }),
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-2',
-        }),
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-2',
-        }),
-        triggerEvent(session, template, toFirstTopic, {
-          id: 'key-2',
-        }),
-      ]);
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-1',
+      });
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-1',
+      });
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-1',
+      });
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-2',
+      });
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-2',
+      });
+      await triggerEvent(session, template, toFirstTopic, {
+        id: 'key-2',
+      });
 
       await session.awaitRunningJobs(template?._id, false, 0);
 
diff --git a/apps/api/src/app/topics/e2e/add-subscribers.e2e.ts b/apps/api/src/app/topics/e2e/add-subscribers.e2e.ts
index 93ea45f20c76..303433f61ed5 100644
--- a/apps/api/src/app/topics/e2e/add-subscribers.e2e.ts
+++ b/apps/api/src/app/topics/e2e/add-subscribers.e2e.ts
@@ -7,6 +7,7 @@ import { initNovuClassSdk } from '../../shared/helpers/e2e/sdk/e2e-sdk.helper';
 describe('Add subscribers to topic - /topics/:topicKey/subscribers (POST)', async () => {
   const topicKey = 'topic-key-add-subscribers';
   const topicName = 'topic-name';
+  const URL = '/v1/topics';
 
   let session: UserSession;
   let subscriberService: SubscribersService;
@@ -14,6 +15,7 @@ describe('Add subscribers to topic - /topics/:topicKey/subscribers (POST)', asyn
   let secondSubscriber: SubscriberEntity;
   let thirdSubscriber: SubscriberEntity;
   let topicId: string;
+  let topicUrl: string;
   let addSubscribersUrl: string;
   let novuClient: Novu;
 
@@ -34,6 +36,8 @@ describe('Add subscribers to topic - /topics/:topicKey/subscribers (POST)', asyn
 
     topicId = response.result.id!;
     expect(topicId).to.exist;
+    topicUrl = `${URL}/${topicKey}`;
+    addSubscribersUrl = `${topicUrl}/subscribers`;
   });
 
   it('should throw validation error for missing request payload information', async () => {
@@ -139,7 +143,7 @@ describe('Add subscribers to topic - /topics/:topicKey/subscribers (POST)', asyn
     const subscribers = [subscriber.subscriberId];
     const nonExistingTopicKey = 'non-existing-topic-key';
 
-    const response = await novuClient.topics.subscribers.assign({ subscribers }, topicKey);
+    const response = await novuClient.topics.subscribers.assign({ subscribers }, nonExistingTopicKey);
 
     expect(response.result).to.eql({
       succeeded: subscribers,
@@ -161,7 +165,7 @@ describe('Add subscribers to topic - /topics/:topicKey/subscribers (POST)', asyn
     const subscribers = ['this-is-a-made-up-subscriber-id'];
     const nonExistingTopicKey = 'non-existing-topic-key-with-non-existing-subscriber';
 
-    const response = await novuClient.topics.subscribers.assign({ subscribers }, topicKey);
+    const response = await novuClient.topics.subscribers.assign({ subscribers }, nonExistingTopicKey);
 
     expect(response.result).to.eql({
       succeeded: [],
diff --git a/apps/api/src/app/topics/e2e/create-topic.e2e.ts b/apps/api/src/app/topics/e2e/create-topic.e2e.ts
index 336bfee68c5d..d9b8cf413e81 100644
--- a/apps/api/src/app/topics/e2e/create-topic.e2e.ts
+++ b/apps/api/src/app/topics/e2e/create-topic.e2e.ts
@@ -48,20 +48,25 @@ describe('Topic creation - /topics (POST)', async () => {
       name: topicName,
     });
 
-    expect(response.result.id).to.exist;
-    expect(response.result.id).to.be.string;
-    expect(response.result.key).to.eql(topicKey);
-    const errorMetadata = await expectSdkExceptionGeneric(() =>
-      novuClient.topics.create({ key: topicKey, name: topicName })
+    const body = response.result;
+    expect(body.id).to.exist;
+    expect(body.id).to.be.string;
+    expect(body.key).to.eql(topicKey);
+
+    const conflictResponse = await expectSdkExceptionGeneric(() =>
+      novuClient.topics.create(
+        {
+          key: topicKey,
+          name: topicName,
+        },
+        { retryCodes: ['404'] }
+      )
     );
-    expect(
-      errorMetadata,
-      `should have returned an error but an object returned${JSON.stringify(errorMetadata.successfulBody)}`
-    ).to.be.ok;
-    if (errorMetadata.error) {
-      expect(errorMetadata?.error.statusCode).to.eql(409);
-      expect(errorMetadata?.parsedBody.error, JSON.stringify(errorMetadata?.parsedBody, null, 2)).to.eql('Conflict');
-      expect(errorMetadata?.parsedBody.message, JSON.stringify(errorMetadata?.parsedBody, null, 2)).to.eql(
+    expect(conflictResponse.error && conflictResponse.parsedBody).to.be.ok;
+    if (conflictResponse.error) {
+      expect(conflictResponse.error.statusCode).to.eql(409);
+      expect(conflictResponse.parsedBody.error).to.eql('Conflict');
+      expect(conflictResponse.parsedBody.message).to.eql(
         `Topic exists with key ${topicKey} in the environment ${session.environment._id} of the organization ${session.organization._id}`
       );
     }