message: refresh_token not required
diff: @@ -138,7 +138,7 @@ router.post('/refresh-token', async (req, res, next) => {
  router.post('/logout', async (req, res, next) => {
  // get refresh token
  const schema = Joi.object().keys({
  - refresh_token: Joi.string().uuid().required(),
  + refresh_token: Joi.string().uuid(),
  });
  const { error, value } = schema.validate(req.body);
  @@ -167,8 +167,7 @@ router.post('/logout', async (req, res, next) => {
  });
  } catch (e) {
  console.error(e);
  - // console.error('Error connection to GraphQL');
  - return next(Boom.unauthorized('Unable to delete refresh token'));
  + // let this error pass. Just log out the user by sending https status code 200 back
  }
  res.send('OK');
  