How to use the store2.set function in store2

it(`should navigate to Home`, () => {
    // Given
    const wrapper = mount(
      
        
      
    )
    const createCrowdsaleComponentWrapper = wrapper.find(CreateCrowdsale)
    const instance = createCrowdsaleComponentWrapper.instance()
    const goToStepOneHandler = jest.spyOn(instance, 'goToStepOne')
    instance.forceUpdate()

    // When
    storage.set('DeploymentStore', { deploymentStep: 1 })
    const buttonCreateCrowdsale = createCrowdsaleComponentWrapper.find('.hm-Home_BtnNew')
    buttonCreateCrowdsale.simulate('click')

    // Then
    expect(buttonCreateCrowdsale.length).toBe(1)
    expect(goToStepOneHandler).toHaveBeenCalledTimes(1)
    expect(goToStepOneHandler).toHaveBeenCalledWith()
  })

emptyCart = () => {
    this.setState({ itemsInCart: [] });
    store.set('itemsInCart', []);
  };

                  () => store.set("mode", this.state.checked ? "dark" : "light")
                )

mobx.autorun(`autorun for ${storageKey}`, () => {
    if (firstRun) {
      const existingStore = storage.get(storageKey)

      if (existingStore) {
        mobx.extendObservable(store, deserialize(existingStore))
      }

      firstRun = false
    }

    storage.set(storageKey, mobx.toJS(store))
  })
}

export default state => {
  store.set(state.storeId, state);
  return state;
};

beforeRouteLeave (to, from, next) {
        const scrollTop = document.body.scrollTop
        const path = this.$route.path
        if (scrollTop) ls.set(path, scrollTop)
        else ls.remove(path)
        next()
    }
}

onFormComplete(res) {
            if (res.code === 200) {
                this.$store.dispatch('showMsg', {
                    content: '登录成功', type: "success"
                })
                ls.set("token", res.data)
                setTimeout(() => {
                    window.location.href = "/admin/post"
                }, 1000)
            } else {
                this.$store.dispatch('showMsg', res.message)
            }
        }
    }

export function destroyLocalActions () {
  const stored = store.get(KEY);
  store.set(KEY, NULL);
  return stored === NULL ? false : stored;
}
export function saveLocalActions (actions) {

export function saveLocalActions (actions) {
  store.set(KEY, actions);
  return actions;
}