text: import test from 'ava';
  import {browserHistory} from 'react-router';
  import Immutable from 'immutable';
  import configureStore from '../configureStore.prod';
  
  test('configureStore Test', t => {
    const store = configureStore(browserHistory, Immutable.fromJS({}));
    const methods = Object.keys(store);
    t.is(methods.length, 4);
    t.true(methods.indexOf('dispatch') !== -1);
    t.true(methods.indexOf('subscribe') !== -1);
    t.true(methods.indexOf('getState') !== -1);
    t.true(methods.indexOf('replaceReducer') !== -1);
    t.deepEqual(methods, ['dispatch', 'subscribe', 'getState', 'replaceReducer']);
  });