diff --git a/admin/src/pages/FederationVisualize.spec.js b/admin/src/pages/FederationVisualize.spec.js
index 867f87ecd..7b4036689 100644
--- a/admin/src/pages/FederationVisualize.spec.js
+++ b/admin/src/pages/FederationVisualize.spec.js
@@ -1,30 +1,98 @@
 import { mount } from '@vue/test-utils'
 import FederationVisualize from './FederationVisualize'
+import VueApollo from 'vue-apollo'
+import { createMockClient } from 'mock-apollo-client'
+import { getCommunities } from '@/graphql/getCommunities'
+
+const mockClient = createMockClient()
+const apolloProvider = new VueApollo({
+  defaultClient: mockClient,
+})
 
 const localVue = global.localVue
 
+localVue.use(VueApollo)
+
 const mocks = {
   $t: (key) => key,
+  // $t: jest.fn((t) => t),
+  $d: jest.fn((d) => d),
   $i18n: {
-    locale: 'de',
+    locale: 'en',
     t: (key) => key,
   },
 }
 
-describe('Overview', () => {
+const defaultData = () => {
+  return {
+    getCommunities: [
+      {
+        id: 1776,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/api/2_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.037Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.254Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1775,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/api/1_1',
+        lastAnnouncedAt: '2023-04-07T12:27:24.023Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.234Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+      {
+        id: 1774,
+        foreign: true,
+        publicKey: 'c7ca9e742421bb167b8666cb78f90b40c665b8f35db8f001988d44dbb3ce8527',
+        url: 'http://localhost/api/api/1_0',
+        lastAnnouncedAt: '2023-04-07T12:27:24.009Z',
+        verifiedAt: null,
+        lastErrorAt: null,
+        createdAt: '2023-04-07T11:45:06.218Z',
+        updatedAt: null,
+        __typename: 'Community',
+      },
+    ],
+  }
+}
+
+describe('FederationVisualize', () => {
   let wrapper
+  const getCommunitiesMock = jest.fn()
+
+  mockClient.setRequestHandler(
+    getCommunities,
+    getCommunitiesMock
+      .mockRejectedValueOnce({ message: 'Ouch!' })
+      .mockResolvedValue({ data: defaultData() }),
+  )
 
   const Wrapper = () => {
-    return mount(FederationVisualize, { localVue, mocks })
+    return mount(FederationVisualize, { localVue, mocks, apolloProvider })
   }
 
   describe('mount', () => {
     beforeEach(() => {
+      jest.clearAllMocks()
       wrapper = Wrapper()
     })
 
-    it('has a DIV element with the class.component-confirm-register-mail', () => {
+    it('has a DIV element with the class "federation-visualize"', () => {
       expect(wrapper.find('div.federation-visualize').exists()).toBe(true)
     })
+
+    it('has a refresh button', () => {
+      expect(wrapper.find('[data-test="federation-communities-refresh-btn"]').exists()).toBe(true)
+    })
   })
 })
diff --git a/admin/src/pages/FederationVisualize.vue b/admin/src/pages/FederationVisualize.vue
index 25c1b11a3..b5f590393 100644
--- a/admin/src/pages/FederationVisualize.vue
+++ b/admin/src/pages/FederationVisualize.vue
@@ -8,6 +8,7 @@
           font-scale="2"
           :animation="animation"
           @click="$apollo.queries.GetCommunities.refresh()"
+          data-test="federation-communities-refresh-btn"
         ></b-icon>
       </b-button>
     </div>