diff --git a/spec/integration/store/TimelineSpace/Modals/AddListMember.spec.js b/spec/integration/store/TimelineSpace/Modals/AddListMember.spec.js
new file mode 100644
index 00000000..896fdecf
--- /dev/null
+++ b/spec/integration/store/TimelineSpace/Modals/AddListMember.spec.js
@@ -0,0 +1,99 @@
+import Mastodon from 'megalodon'
+import { createLocalVue } from '@vue/test-utils'
+import Vuex from 'vuex'
+import AddListMember from '~/src/renderer/store/TimelineSpace/Modals/AddListMember'
+
+jest.genMockFromModule('megalodon')
+jest.mock('megalodon')
+
+const state = () => {
+  return {
+    modalOpen: false,
+    accounts: [],
+    targetListId: null
+  }
+}
+
+const initStore = () => {
+  return {
+    namespaced: true,
+    state: state(),
+    actions: AddListMember.actions,
+    mutations: AddListMember.mutations
+  }
+}
+
+const timelineState = {
+  namespaced: true,
+  state: {
+    account: {
+      _id: '0'
+    }
+  }
+}
+
+describe('AddListMember', () => {
+  let store
+  let localVue
+
+  beforeEach(() => {
+    localVue = createLocalVue()
+    localVue.use(Vuex)
+    store = new Vuex.Store({
+      modules: {
+        AddListMember: initStore(),
+        TimelineSpace: timelineState
+      }
+    })
+    Mastodon.mockClear()
+  })
+
+  describe('changeModal', () => {
+    it('should change modal', () => {
+      store.dispatch('AddListMember/changeModal', true)
+      expect(store.state.AddListMember.modalOpen).toEqual(true)
+    })
+  })
+
+  describe('search', () => {
+    it('should be searched', async () => {
+      const mockClient = {
+        get: () => {
+          return new Promise((resolve, reject) => {
+            resolve({
+              data: [
+                { id: 1, name: 'h3poteto' },
+                { id: 2, name: 'akito19' }
+              ]
+            })
+          })
+        }
+      }
+
+      Mastodon.mockImplementation(() => mockClient)
+      const accounts = await store.dispatch('AddListMember/search', 'akira')
+      expect(store.state.AddListMember.accounts).toEqual([
+        { id: 1, name: 'h3poteto' },
+        { id: 2, name: 'akito19' }
+      ])
+    })
+  })
+
+  describe('add', () => {
+    it('should be added a member to the list', async () => {
+      const mockClient = {
+        post: () => {
+          return new Promise((resolve, reject) => {
+            resolve({
+              data: true
+            })
+          })
+        }
+      }
+
+      Mastodon.mockImplementation(() => mockClient)
+      const result = await store.dispatch('AddListMember/add', 'akira')
+      expect(result.data).toEqual(true)
+    })
+  })
+})