interceptors.module.js
'use strict';

angular.module('core.interceptors',['authservice']);
======================================================================
login-required.service.js

'use strict';

angular.module('core.interceptors').factory('LoginRequiredInterceptor',LoginRequiredInterceptor).config(function($httpProvider) {
    $httpProvider.interceptors.push('LoginRequiredInterceptor');
});

function LoginRequiredInterceptor ($location,$q,autenticacao) {
  return {
    request: function(config) {
      config.headers = config.headers || {};
      // if (autenticacao.getToken()) {
      //    config.headers['Authorization'] = {"Authorization": "JWT " + autenticacao.getToken()};
      // }
      return config;
    },

    responseError: function(response) {
      if (response.status === 401 || response.status === 403) {
        $location.path('/');
      }

      return $q.reject(response);
    }
  }
}

Erro
Error: [$injector:cdep] http://errors.angularjs.org/1.5.8/$injector/cdep?p0=%24http%20%3C-%20autenticacao%20%3C-%20LoginRequiredInterceptor%20%3C-%20%24http%20%3C-%20%24templateRequest%20%3C-%20%24compile%20%3C-%20ngNotif