diff --git a/backend/src/db/graphql/groups.js b/backend/src/db/graphql/groups.js
index 7d1b984b0..150bb5e9a 100644
--- a/backend/src/db/graphql/groups.js
+++ b/backend/src/db/graphql/groups.js
@@ -163,12 +163,13 @@ export const groupQuery = gql`
       actionRadius
       myRole
       categories {
-        # test this as result
         id
         slug
         name
         icon
       }
+      # avatar # test this as result
+      # locationName # test this as result
     }
   }
 `
diff --git a/backend/src/schema/resolvers/groups.spec.js b/backend/src/schema/resolvers/groups.spec.js
index 7ccac01c8..7a588dd8b 100644
--- a/backend/src/schema/resolvers/groups.spec.js
+++ b/backend/src/schema/resolvers/groups.spec.js
@@ -329,6 +329,42 @@ describe('in mode', () => {
                 errors: undefined,
               })
             })
+
+            describe('categories', () => {
+              beforeEach(() => {
+                CONFIG.CATEGORIES_ACTIVE = true
+              })
+
+              it('has set categories', async () => {
+                await expect(query({ query: groupQuery, variables: {} })).resolves.toMatchObject({
+                  data: {
+                    Group: expect.arrayContaining([
+                      expect.objectContaining({
+                        id: 'my-group',
+                        slug: 'the-best-group',
+                        categories: expect.arrayContaining([
+                          expect.objectContaining({ id: 'cat4' }),
+                          expect.objectContaining({ id: 'cat9' }),
+                          expect.objectContaining({ id: 'cat15' }),
+                        ]),
+                        myRole: 'owner',
+                      }),
+                      expect.objectContaining({
+                        id: 'others-group',
+                        slug: 'uninteresting-group',
+                        categories: expect.arrayContaining([
+                          expect.objectContaining({ id: 'cat4' }),
+                          expect.objectContaining({ id: 'cat9' }),
+                          expect.objectContaining({ id: 'cat15' }),
+                        ]),
+                        myRole: null,
+                      }),
+                    ]),
+                  },
+                  errors: undefined,
+                })
+              })
+            })
           })
 
           describe("id = 'my-group'", () => {