text: module.exports.addUser = function(value) {
    return this.users.insert({
      account: {
        name: value
      }
    });
  };
  
  module.exports.addUsers = function* (value) {
    yield this.users.insert({
      account: {
        name: value
      }
    });
    yield this.users.insert({
      account: {
        name: value
      }
    });
  }
  