wip(shared): adapt to v3

test/api/v3/integration/challenges/DELETE-challenges_challengeId.test.js

@@ -9,9 +9,8 @@ import {
 import { v4 as generateUUID } from 'uuid';
 
 describe('DELETE /challenges/:challengeId', () => {
-  it('returns error when challengeId is not a valid UUID', async () => {
+  it.only('returns error when challengeId is not a valid UUID', async () => {
     let user = await generateUser();
-
     await expect(user.del(`/challenges/test`)).to.eventually.be.rejected.and.eql({
       code: 400,
       error: 'BadRequest',

test/api/v3/unit/libs/errors.test.js

@@ -1,6 +1,6 @@
 // TODO move to shared tests
-import { CustomError } from '../../../../../common/script/api-v3/errors';
 import {
+  CustomError,
   NotAuthorized,
   BadRequest,
   InternalServerError,