private Observable getIOExceptionError() {
        return Observable.error(new IOException());
    }

    private Observable<UsersList> get403ForbiddenError() {
        return Observable.error(new HttpException(
                Response.error(403, ResponseBody.create(MediaType.parse("application/json"), "Forbidden"))));

    }




private fun getIOExceptionError(): Observable {
        return Observable.error(IOException())
    }

    private fun get403ForbiddenError(): Observable<UsersList> {
        return Observable.error(HttpException(
                Response.error(403, ResponseBody.create(MediaType.parse("application/json"), "Forbidden"))))

    }