diff --git a/spec/renderer/integration/store/TimelineSpace/Contents/Home.spec.ts b/spec/renderer/integration/store/TimelineSpace/Contents/Home.spec.ts
index 35dc93c3..6fe78568 100644
--- a/spec/renderer/integration/store/TimelineSpace/Contents/Home.spec.ts
+++ b/spec/renderer/integration/store/TimelineSpace/Contents/Home.spec.ts
@@ -139,8 +139,8 @@ describe('Home', () => {
     it('should be updated', async () => {
       const mockClient = {
         get: (_path: string, _params: object) => {
-          return new Promise<Response<Status[]>>(resolve => {
-            const res: Response<Status[]> = {
+          return new Promise<Response<Array<Status>>>(resolve => {
+            const res: Response<Array<Status>> = {
               data: [status1],
               status: 200,
               statusText: 'OK',
@@ -176,8 +176,8 @@ describe('Home', () => {
       it('should be updated', async () => {
         const mockClient = {
           get: (_path: string, _params: object) => {
-            return new Promise<Response<[Status]>>(resolve => {
-              const res: Response<[Status]> = {
+            return new Promise<Response<Array<Status>>>(resolve => {
+              const res: Response<Array<Status>> = {
                 data: [status2],
                 status: 200,
                 statusText: 'OK',
diff --git a/spec/renderer/integration/store/TimelineSpace/Contents/Notifications.spec.ts b/spec/renderer/integration/store/TimelineSpace/Contents/Notifications.spec.ts
new file mode 100644
index 00000000..550b4d0c
--- /dev/null
+++ b/spec/renderer/integration/store/TimelineSpace/Contents/Notifications.spec.ts
@@ -0,0 +1,262 @@
+import { Response, Status, Account, Application, Notification } from 'megalodon'
+import mockedMegalodon from '~/spec/mock/megalodon.ts'
+import { createLocalVue } from '@vue/test-utils'
+import Vuex from 'vuex'
+import Notifications, { NotificationsState } from '@/store/TimelineSpace/Contents/Notifications'
+
+jest.mock('megalodon')
+
+const account1: Account = {
+  id: '1',
+  username: 'h3poteto',
+  acct: 'h3poteto@pleroma.io',
+  display_name: 'h3poteto',
+  locked: false,
+  created_at: '2019-03-26T21:30:32',
+  followers_count: 10,
+  following_count: 10,
+  statuses_count: 100,
+  note: 'engineer',
+  url: 'https://pleroma.io',
+  avatar: '',
+  avatar_static: '',
+  header: '',
+  header_static: '',
+  emojis: [],
+  moved: null,
+  fields: null,
+  bot: false
+}
+
+const account2: Account = {
+  id: '2',
+  username: 'h3poteto',
+  acct: 'h3poteto@mstdn.io',
+  display_name: 'h3poteto',
+  locked: false,
+  created_at: '2019-03-26T21:30:32',
+  followers_count: 10,
+  following_count: 10,
+  statuses_count: 100,
+  note: 'engineer',
+  url: 'https://mstdn.io',
+  avatar: '',
+  avatar_static: '',
+  header: '',
+  header_static: '',
+  emojis: [],
+  moved: null,
+  fields: null,
+  bot: false
+}
+
+const status1: Status = {
+  id: '1',
+  uri: 'http://example.com',
+  url: 'http://example.com',
+  account: account1,
+  in_reply_to_id: null,
+  in_reply_to_account_id: null,
+  reblog: null,
+  content: 'hoge',
+  created_at: '2019-03-26T21:40:32',
+  emojis: [],
+  replies_count: 0,
+  reblogs_count: 0,
+  favourites_count: 0,
+  reblogged: null,
+  favourited: null,
+  muted: null,
+  sensitive: false,
+  spoiler_text: '',
+  visibility: 'public',
+  media_attachments: [],
+  mentions: [],
+  tags: [],
+  card: null,
+  application: {
+    name: 'Web'
+  } as Application,
+  language: null,
+  pinned: null
+}
+
+const status2: Status = {
+  id: '2',
+  uri: 'http://example.com',
+  url: 'http://example.com',
+  account: account1,
+  in_reply_to_id: null,
+  in_reply_to_account_id: null,
+  reblog: null,
+  content: 'hoge',
+  created_at: '2019-03-26T21:40:32',
+  emojis: [],
+  replies_count: 0,
+  reblogs_count: 0,
+  favourites_count: 0,
+  reblogged: null,
+  favourited: null,
+  muted: null,
+  sensitive: false,
+  spoiler_text: '',
+  visibility: 'public',
+  media_attachments: [],
+  mentions: [],
+  tags: [],
+  card: null,
+  application: {
+    name: 'Web'
+  } as Application,
+  language: null,
+  pinned: null
+}
+
+const rebloggedStatus: Status = {
+  id: '3',
+  uri: 'http://example.com',
+  url: 'http://example.com',
+  account: account1,
+  in_reply_to_id: null,
+  in_reply_to_account_id: null,
+  reblog: status2,
+  content: 'hoge',
+  created_at: '2019-03-26T21:40:32',
+  emojis: [],
+  replies_count: 0,
+  reblogs_count: 0,
+  favourites_count: 0,
+  reblogged: null,
+  favourited: null,
+  muted: null,
+  sensitive: false,
+  spoiler_text: '',
+  visibility: 'public',
+  media_attachments: [],
+  mentions: [],
+  tags: [],
+  card: null,
+  application: {
+    name: 'Web'
+  } as Application,
+  language: null,
+  pinned: null
+}
+
+const notification1: Notification = {
+  id: '1',
+  account: account2,
+  status: status1,
+  type: 'favourite',
+  created_at: '2019-04-01T17:01:32'
+}
+
+const notification2: Notification = {
+  id: '2',
+  account: account2,
+  status: rebloggedStatus,
+  type: 'mention',
+  created_at: '2019-04-01T17:01:32'
+}
+
+let state = (): NotificationsState => {
+  return {
+    lazyLoading: false,
+    heading: true,
+    notifications: [],
+    unreadNotifications: [],
+    filter: ''
+  }
+}
+
+const initStore = () => {
+  return {
+    namespaced: true,
+    state: state(),
+    actions: Notifications.actions,
+    mutations: Notifications.mutations
+  }
+}
+
+const timelineState = {
+  namespaced: true,
+  state: {
+    account: {
+      accessToken: 'token',
+      baseURL: 'http://localhost'
+    }
+  }
+}
+
+describe('Notifications', () => {
+  let store
+  let localVue
+
+  beforeEach(() => {
+    localVue = createLocalVue()
+    localVue.use(Vuex)
+    store = new Vuex.Store({
+      modules: {
+        Notifications: initStore(),
+        TimelineSpace: timelineState
+      }
+    })
+    mockedMegalodon.mockClear()
+  })
+
+  describe('fetchNotifications', () => {
+    it('should be updated', async () => {
+      const mockClient = {
+        get: (_path: string, _params: object) => {
+          return new Promise<Response<Array<Notification>>>(resolve => {
+            const res: Response<Array<Notification>> = {
+              data: [notification1],
+              status: 200,
+              statusText: 'OK',
+              headers: {}
+            }
+            resolve(res)
+          })
+        }
+      }
+
+      mockedMegalodon.mockImplementation(() => mockClient)
+      const response = await store.dispatch('Notifications/fetchNotifications')
+      expect(response).toEqual([notification1])
+      expect(store.state.Notifications.notifications).toEqual([notification1])
+    })
+  })
+
+  describe('lazyFetchNotifications', () => {
+    beforeAll(() => {
+      state = () => {
+        return {
+          lazyLoading: false,
+          heading: true,
+          notifications: [notification1],
+          unreadNotifications: [],
+          filter: ''
+        }
+      }
+    })
+    it('should be updated', async () => {
+      const mockClient = {
+        get: (_path: string, _params: object) => {
+          return new Promise<Response<Array<Notification>>>(resolve => {
+            const res: Response<Array<Notification>> = {
+              data: [notification2],
+              status: 200,
+              statusText: '200',
+              headers: {}
+            }
+            resolve(res)
+          })
+        }
+      }
+      mockedMegalodon.mockImplementation(() => mockClient)
+      await store.dispatch('Notifications/lazyFetchNotifications', notification1)
+      expect(store.state.Notifications.lazyLoading).toEqual(false)
+      expect(store.state.Notifications.notifications).toEqual([notification1, notification2])
+    })
+  })
+})