Using the reducer registration from theforeman

reducers.js

import { combineReducers } from 'redux';
import redHatRepositories from './RedHatRepositories';
import { registerReducer } from 'foremanReact/common/MountingService';

const rootReducer = combineReducers({
  redHatRepositories,
});

registerReducer('katello_reducers', rootReducer);