fix tests, move most errors to shared code

test/api/v3/integration/user/POST-user_class_cast_spellId.test.js

@@ -68,7 +68,7 @@ describe('POST /user/class/cast/:spellId', () => {
   it('returns an error if user doesn\'t own the spell', async () => {
     await expect(user.post(`/user/class/cast/snowball`))
       .to.eventually.be.rejected.and.eql({
-        code: 400,
+        code: 401,
         error: 'NotAuthorized',
         message: t('spellNotOwned'),
       });

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

@@ -1,5 +1,6 @@
+// TODO move to shared tests
+import { CustomError } from '../../../../../common/script/api-v3/errors';
 import {
-  CustomError,
   NotAuthorized,
   BadRequest,
   InternalServerError,

test/api/v3/unit/middlewares/errorHandler.test.js

@@ -9,7 +9,6 @@ import responseMiddleware from '../../../../../website/src/middlewares/api-v3/re
 import getUserLanguage from '../../../../../website/src/middlewares/api-v3/getUserLanguage';
 
 import { BadRequest } from '../../../../../website/src/libs/api-v3/errors';
-import { NotAuthorized as NotAuthorizedShared } from '../../../../../common/script/api-v3/errors';
 import logger from '../../../../../website/src/libs/api-v3/logger';
 
 describe('errorHandler', () => {
@@ -87,21 +86,6 @@ describe('errorHandler', () => {
     });
   });
 
-  it('handle CustomError(s) from shared code', () => {
-    let error = new NotAuthorizedShared();
-
-    errorHandler(error, req, res, next);
-
-    expect(res.status).to.be.calledOnce;
-    expect(res.json).to.be.calledOnce;
-
-    expect(res.status).to.be.calledWith(400);
-    expect(res.json).to.be.calledWith({
-      error: 'NotAuthorized',
-      message: 'Not authorized.',
-    });
-  });
-
   it('handle http-errors errors', () => {
     let error = new Error('custom message');
     error.statusCode = 422;