Change status code for POST with user already in database

services/user-service/src/routes/index.ts

@@ -8,7 +8,7 @@ indexRouter.post("/", function (req: express.Request, res: express.Response) {
     .createUser(req.body)
     .then((result) => {
       if (result === null) {
-        res.status(400).append("Is-User-Already-Found", "true").end();
+        res.status(200).append("Is-User-Already-Found", "true").end();
       } else {
         res.status(201).json(result);
       }

services/user-service/systemtest/app.test.ts

@@ -14,7 +14,7 @@ const updatePayload = { matchDifficulty: 1 };
 
 describe('/index', () => {
   describe('Sample App Workflow', () => {
-    it('Step 1: Add user 1 to database should pass', async () => {
+    it('Step 1: Add user 1 to database should pass with status 201', async () => {
       // The function being tested
       const response = await request(app).post('/api/user-service').send(fullNewUser);
       expect(response.status).toStrictEqual(201);
@@ -42,9 +42,9 @@ describe('/index', () => {
       expect(response.body).toStrictEqual(updatedNewUser);
     })
 
-    it('Step 5: Attempt to add duplicate user 1 to database should fail with error', async () => {
+    it('Step 5: Attempt to add duplicate user 1 to database should give status 200', async () => {
       const response = await request(app).post('/api/user-service').send(fullNewUser);
-      expect(response.status).toStrictEqual(400);
+      expect(response.status).toStrictEqual(200);
     })
 
     it('Step 6: Delete user 1 from database', async () => {

services/user-service/test/routes/index.test.ts

@@ -42,7 +42,7 @@ describe('/index', () => {
 
       // The function being tested
       const response = await request(app).post('/').send(fullNewUser);
-      expect(response.status).toStrictEqual(400);
+      expect(response.status).toStrictEqual(200);
     })
 
     it('[POST] to / when database is unavailable', async () => {