text: import Client from 'isomorphic-object-with-false';
  import HTTPTracker from 'isomorphic-object-with-false/lib/client/http-tracker';
  
  import HTTPTrackerWithSubPath from 'isomorphic-object-with-false/lib/subpath/foo';
  
  import ES6_BROWSER_EMPTY from '\0node-resolve:empty.js';
  
  // do some assert
  const clientWs = new Client('ws:');
  const clientHttp = new Client('http:');
  
  t.is(clientWs.name, 'websocket-tracker');
  t.is(clientHttp.name, 'NULL');
  t.is(HTTPTracker, ES6_BROWSER_EMPTY);
  t.is(HTTPTrackerWithSubPath, ES6_BROWSER_EMPTY);
  
  // expose
  export default 'ok';
  