diff --git a/backend/tests/controllers/students.test.ts b/backend/tests/controllers/students.test.ts
index 93f35c48..7bb07f8c 100644
--- a/backend/tests/controllers/students.test.ts
+++ b/backend/tests/controllers/students.test.ts
@@ -198,15 +198,34 @@ describe('Student controllers', () => {
         );
     });
 
-    it('Create join request', async () => {
+    it('Create and delete join request', async () => {
         req = {
-            params: { username: 'Noordkaap' },
+            params: { username: 'TheDoors' },
             body: { classId: 'id02' },
         };
 
         await createStudentRequestHandler(req as Request, res as Response);
 
         expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ request: expect.anything() }));
+
+        req = {
+            params: { username: 'TheDoors', classId: 'id02' },
+        };
+
+        await deleteClassJoinRequestHandler(req as Request, res as Response);
+
+        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ request: expect.anything() }));
+
+        await expect(async () => deleteClassJoinRequestHandler(req as Request, res as Response)).rejects.toThrow(NotFoundException);
+    });
+
+    it('Create join request student already in class error', async () => {
+        req = {
+            params: { username: 'Noordkaap' },
+            body: { classId: 'id02' },
+        };
+
+        await expect(async () => createStudentRequestHandler(req as Request, res as Response)).rejects.toThrow(ConflictException);
     });
 
     it('Create join request duplicate', async () => {
@@ -217,16 +236,4 @@ describe('Student controllers', () => {
 
         await expect(async () => createStudentRequestHandler(req as Request, res as Response)).rejects.toThrow(ConflictException);
     });
-
-    it('Delete join request', async () => {
-        req = {
-            params: { username: 'Noordkaap', classId: 'id02' },
-        };
-
-        await deleteClassJoinRequestHandler(req as Request, res as Response);
-
-        expect(jsonMock).toHaveBeenCalledWith(expect.objectContaining({ request: expect.anything() }));
-
-        await expect(async () => deleteClassJoinRequestHandler(req as Request, res as Response)).rejects.toThrow(NotFoundException);
-    });
 });
diff --git a/backend/tests/controllers/teachers.test.ts b/backend/tests/controllers/teachers.test.ts
index bee23987..21533876 100644
--- a/backend/tests/controllers/teachers.test.ts
+++ b/backend/tests/controllers/teachers.test.ts
@@ -16,6 +16,7 @@ import { BadRequestException } from '../../src/exceptions/bad-request-exception.
 import { EntityAlreadyExistsException } from '../../src/exceptions/entity-already-exists-exception.js';
 import { getStudentRequestsHandler } from '../../src/controllers/students.js';
 import { TeacherDTO } from '@dwengo-1/common/interfaces/teacher';
+import {getClassHandler} from "../../src/controllers/classes";
 
 describe('Teacher controllers', () => {
     let req: Partial<Request>;
@@ -168,7 +169,6 @@ describe('Teacher controllers', () => {
 
     it('Get join requests by class', async () => {
         req = {
-            query: { username: 'LimpBizkit' },
             params: { classId: 'id02' },
         };
 
@@ -183,8 +183,7 @@ describe('Teacher controllers', () => {
 
     it('Update join request status', async () => {
         req = {
-            query: { username: 'LimpBizkit', studentUsername: 'PinkFloyd' },
-            params: { classId: 'id02' },
+            params: { classId: 'id02', studentUsername: 'PinkFloyd'},
             body: { accepted: 'true' },
         };
 
@@ -200,5 +199,13 @@ describe('Teacher controllers', () => {
 
         const status: boolean = jsonMock.mock.lastCall?.[0].requests[0].status;
         expect(status).toBeTruthy();
+
+        req = {
+            params: { id: 'id02' }
+        }
+
+        await getClassHandler(req as Request, res as Response);
+        const students: string[] = jsonMock.mock.lastCall?.[0].class.students;
+        expect(students).contains("PinkFloyd");
     });
 });