How to use the ember-data-factory-guy.settings function in ember-data-factory-guy

beforeEach() {
      this.application = startApp();
      FactoryGuy.settings({logLevel: 0});
      if (options.beforeEach) {
        return options.beforeEach.apply(this, arguments);
      }
    },

hooks.beforeEach(function() {
    manualSetup(this);
    containerSetup(this.owner, serializerType);
    FactoryGuy.settings({responseTime: 0, logLevel: 0});
  });
}

static settings(opts = {}) {
    FactoryGuy.settings(opts);
  }