diff --git a/client/cypress/integration/sync-module-visibility.spec.js b/client/cypress/integration/sync-module-visibility.spec.js
new file mode 100644
index 00000000..6f778a03
--- /dev/null
+++ b/client/cypress/integration/sync-module-visibility.spec.js
@@ -0,0 +1,5 @@
+describe('Survey', () => {
+  it('needs to be implemented', () => {
+    expect(true).to.equal(false);
+  });
+});
diff --git a/client/src/components/school-class/CurrentClass.vue b/client/src/components/school-class/CurrentClass.vue
index 3b8109cd..a385418b 100644
--- a/client/src/components/school-class/CurrentClass.vue
+++ b/client/src/components/school-class/CurrentClass.vue
@@ -9,15 +9,6 @@
 
   export default {
     mixins: [me],
-
-    computed: {
-      currentClassName() {
-        let currentClass = this.me.schoolClasses.find(schoolClass => {
-          return schoolClass.id === this.me.selectedClass.id;
-        });
-        return currentClass ? currentClass.name : this.me.schoolClasses.length ? this.me.schoolClasses[0].name : '';
-      }
-    }
   };
 </script>
 
diff --git a/client/src/graphql/gql/mutations/syncModuleVisibility.gql b/client/src/graphql/gql/mutations/syncModuleVisibility.gql
new file mode 100644
index 00000000..00cd6040
--- /dev/null
+++ b/client/src/graphql/gql/mutations/syncModuleVisibility.gql
@@ -0,0 +1,5 @@
+mutation SyncModuleVisibility($input: SyncModuleVisibilityInput!) {
+  syncModuleVisibility(input: $input) {
+    success
+  }
+}
diff --git a/client/src/mixins/me.js b/client/src/mixins/me.js
index aaa043d3..e2e592c7 100644
--- a/client/src/mixins/me.js
+++ b/client/src/mixins/me.js
@@ -5,13 +5,13 @@ export default {
     return {
       me: {
         selectedClass: {
-          id: ''
+          id: '',
         },
         permissions: [],
         schoolClasses: [],
-        isTeacher: false
+        isTeacher: false,
       },
-      showPopover: false
+      showPopover: false,
     };
   },
 
@@ -21,8 +21,8 @@ export default {
         return {
           name: 'topic',
           params: {
-            topicSlug: this.me.lastTopic.slug
-          }
+            topicSlug: this.me.lastTopic.slug,
+          },
         };
       }
       return '/book/topic/berufliche-grundbildung';
@@ -33,15 +33,21 @@ export default {
     canManageContent() {
       return this.me.permissions.includes('users.can_manage_school_class_content');
     },
+    currentClassName() {
+      let currentClass = this.me.schoolClasses.find(schoolClass => {
+        return schoolClass.id === this.me.selectedClass.id;
+      });
+      return currentClass ? currentClass.name : this.me.schoolClasses.length ? this.me.schoolClasses[0].name : '';
+    },
   },
 
   apollo: {
     me: {
       query: ME_QUERY,
-      update(data) {
-        return this.$getRidOfEdges(data).me;
+      update({me}) {
+        return this.$getRidOfEdges(me);
       },
-      fetchPolicy: 'cache-first'
+      fetchPolicy: 'cache-first',
     },
   },
 };
diff --git a/client/src/pages/module-base.vue b/client/src/pages/module-base.vue
index f2b39298..b6c529c6 100644
--- a/client/src/pages/module-base.vue
+++ b/client/src/pages/module-base.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="module-page">
-    <module-navigation/>
+    <module-navigation v-if="showNavigation" />
     <router-view/>
   </div>
 </template>
@@ -11,6 +11,12 @@
   export default {
     components: {
       ModuleNavigation
+    },
+
+    computed: {
+      showNavigation() {
+        return !this.$route.meta.hideNavigation;
+      }
     }
   };
 </script>
diff --git a/client/src/pages/moduleVisibility.vue b/client/src/pages/moduleVisibility.vue
index ab61135b..b0474497 100644
--- a/client/src/pages/moduleVisibility.vue
+++ b/client/src/pages/moduleVisibility.vue
@@ -12,16 +12,25 @@
     <div class="module-visibility__form module-visibility__section">
       Von
       <select
+        :value="selectedClassId"
         class="skillbox-input skillbox-dropdown module-visibility__dropdown"
-        placeholder="Hallo">
+        @change="select($event.target.value)">
         <option
-          value
-          selected>-</option>
+          value=""
+          selected>-
+        </option>
+        <option
+          :key="schoolClass.id"
+          :value="schoolClass.id"
+          v-for="schoolClass in schoolClasses">{{ schoolClass.name }}
+        </option>
       </select>
-      für INF2019i übernehmen.
+      für {{ currentClassName }} übernehmen.
     </div>
     <div class="module-visibility__section">
-      <a class="button button--primary">Anpassungen übernehmen</a>
+      <a
+        class="button button--primary"
+        @click="sync">Anpassungen übernehmen</a>
     </div>
   </div>
 </template>
@@ -29,11 +38,48 @@
 <script>
   import EyeIcon from '@/components/icons/EyeIcon';
 
+  import me from '@/mixins/me';
+
+  import SYNC_VISIBILITY_MUTATION from '@/graphql/gql/mutations/syncModuleVisibility.gql';
+
   export default {
+
+    mixins: [me],
     components: {
-      EyeIcon
+      EyeIcon,
     },
 
+    data() {
+      return {
+        selectedClassId: '',
+      };
+    },
+
+    computed: {
+      schoolClasses() {
+        return this.me.schoolClasses.filter(schoolClass => schoolClass.id !== this.me.selectedClass.id);
+      },
+    },
+
+    methods: {
+      select(selectedClassId) {
+        this.selectedClassId = selectedClassId;
+      },
+      sync() {
+        if (this.selectedClassId) {
+          this.$apollo.mutate({
+            mutation: SYNC_VISIBILITY_MUTATION,
+            variables: {
+              input: {
+                module: this.$route.params.slug,
+                templateSchoolClass: this.selectedClassId,
+                schoolClass: this.me.selectedClass.id,
+              },
+            },
+          });
+        }
+      },
+    },
   };
 </script>
 
diff --git a/client/src/router/index.js b/client/src/router/index.js
index 70a678c0..57e36b6d 100644
--- a/client/src/router/index.js
+++ b/client/src/router/index.js
@@ -1,8 +1,5 @@
 import Vue from 'vue';
-// import index from '@/pages/index'
 import topic from '@/pages/topic';
-import moduleBase from '@/pages/module-base';
-import module from '@/pages/module';
 import rooms from '@/pages/rooms';
 import room from '@/pages/room';
 import newRoom from '@/pages/newRoom';
@@ -10,7 +7,6 @@ import editRoom from '@/pages/editRoom';
 import article from '@/pages/article';
 import instrument from '@/pages/instrument';
 import instrumentOverview from '@/pages/instrumentOverview';
-import submissions from '@/pages/submissions';
 import p404 from '@/pages/p404';
 import start from '@/pages/start';
 import submission from '@/pages/studentSubmission';
@@ -41,10 +37,11 @@ import onboardingStep1 from '@/pages/onboarding/step1';
 import onboardingStep2 from '@/pages/onboarding/step2';
 import onboardingStep3 from '@/pages/onboarding/step3';
 import settingsPage from '@/pages/moduleSettings';
+
+import moduleRoutes from './module.routes';
 import portfolioRoutes from './portfolio.routes';
 
 import store from '@/store/index';
-import moduleVisibility from '@/pages/moduleVisibility';
 
 const ONBOARDING_STEP_1 = 'onboarding-step-1';
 const ONBOARDING_STEP_2 = 'onboarding-step-2';
@@ -54,7 +51,7 @@ const routes = [
   {
     path: '/',
     name: 'home',
-    component: start
+    component: start,
   },
   {
     path: '/login',
@@ -62,8 +59,8 @@ const routes = [
     component: login,
     meta: {
       layout: 'public',
-      public: true
-    }
+      public: true,
+    },
   },
   {
     path: '/hello',
@@ -71,8 +68,8 @@ const routes = [
     component: hello,
     meta: {
       layout: 'public',
-      public: true
-    }
+      public: true,
+    },
   },
   {
     path: '/beta-login',
@@ -80,27 +77,10 @@ const routes = [
     component: betaLogin,
     meta: {
       layout: 'public',
-      public: true
-    }
-  },
-  {
-    path: '/module/:slug',
-    component: moduleBase,
-    children: [
-      {
-        path: '',
-        name: 'module',
-        component: module,
-        meta: {filter: true}
-      },
-      {
-        path: 'submissions/:id',
-        name: 'submissions',
-        component: submissions,
-        meta: {filter: true}
-      }
-    ]
+      public: true,
+    },
   },
+  ...moduleRoutes,
   {path: '/rooms', name: 'rooms', component: rooms, meta: {filter: true}},
   {path: '/new-room/', name: 'new-room', component: newRoom},
   {path: '/edit-room/:id', name: 'edit-room', component: editRoom, props: true},
@@ -110,13 +90,13 @@ const routes = [
     name: 'moduleRoom',
     component: moduleRoom,
     props: true,
-    meta: {layout: 'fullScreen'}
+    meta: {layout: 'fullScreen'},
   },
   {path: '/article/:slug', name: 'article', component: article, meta: {layout: 'simple'}},
   {
     path: '/instruments/',
     name: 'instrument-overview',
-    component: instrumentOverview
+    component: instrumentOverview,
   },
   {path: '/instrument/:slug', name: 'instrument', component: instrument, meta: {layout: 'simple'}},
   {path: '/submission/:id', name: 'submission', component: submission, meta: {layout: 'simple'}},
@@ -134,11 +114,11 @@ const routes = [
         path: 'old-classes',
         name: 'old-classes',
         component: oldClasses,
-        meta: {isProfile: true}
+        meta: {isProfile: true},
       },
       {path: 'create-class', name: 'create-class', component: createClass, meta: {layout: 'simple'}},
       {path: 'show-code', name: 'show-code', component: showCode, meta: {layout: 'simple'}},
-    ]
+    ],
   },
   {path: 'join-class', name: 'join-class', component: joinClass, meta: {layout: 'public'}},
   {
@@ -146,7 +126,7 @@ const routes = [
     component: surveyPage,
     name: 'survey',
     props: true,
-    meta: {layout: 'simple'}
+    meta: {layout: 'simple'},
   },
   {
     path: '/register',
@@ -155,7 +135,7 @@ const routes = [
     meta: {
       public: true,
       layout: 'public',
-    }
+    },
   },
   {
     path: '/check-email',
@@ -163,8 +143,8 @@ const routes = [
     name: 'checkEmail',
     meta: {
       public: true,
-      layout: 'public'
-    }
+      layout: 'public',
+    },
   },
   {
     path: '/verify-email',
@@ -172,16 +152,16 @@ const routes = [
     name: 'emailVerification',
     meta: {
       public: true,
-      layout: 'public'
-    }
+      layout: 'public',
+    },
   },
   {
     path: '/license-activation',
     component: licenseActivation,
     name: 'licenseActivation',
     meta: {
-      layout: 'public'
-    }
+      layout: 'public',
+    },
   },
   {
     path: '/forgot-password',
@@ -189,13 +169,13 @@ const routes = [
     name: 'forgotPassword',
     meta: {
       layout: 'public',
-      public: true
-    }
+      public: true,
+    },
   },
   {
     path: '/news',
     component: news,
-    name: 'news'
+    name: 'news',
   },
   {
     path: '/onboarding',
@@ -207,7 +187,7 @@ const routes = [
         name: 'onboarding-start',
         meta: {
           layout: 'blank',
-          next: ONBOARDING_STEP_1
+          next: ONBOARDING_STEP_1,
         },
       },
       {
@@ -217,7 +197,7 @@ const routes = [
         meta: {
           layout: 'blank',
           next: ONBOARDING_STEP_2,
-          illustration: 'contents'
+          illustration: 'contents',
         },
       },
       {
@@ -227,7 +207,7 @@ const routes = [
         meta: {
           layout: 'blank',
           next: ONBOARDING_STEP_3,
-          illustration: 'rooms'
+          illustration: 'rooms',
         },
       },
       {
@@ -237,30 +217,23 @@ const routes = [
         meta: {
           layout: 'blank',
           next: 'home',
-          illustration: 'portfolio'
+          illustration: 'portfolio',
         },
       },
-    ]
+    ],
   },
   {
     path: '/settings',
-    component: settingsPage
-  },
-  {
-    path: '/visibility',
-    component: moduleVisibility,
-    meta: {
-      layout: 'simple'
-    }
+    component: settingsPage,
   },
   {path: '/styleguide', component: styleGuidePage},
   {
     path: '*',
     component: p404,
     meta: {
-      layout: 'blank'
-    }
-  }
+      layout: 'blank',
+    },
+  },
 ];
 
 Vue.use(Router);
@@ -273,7 +246,7 @@ const router = new Router({
       return savedPosition;
     }
     return {x: 0, y: 0};
-  }
+  },
 });
 
 router.afterEach((to, from) => {
diff --git a/client/src/router/module.names.js b/client/src/router/module.names.js
new file mode 100644
index 00000000..ec35f516
--- /dev/null
+++ b/client/src/router/module.names.js
@@ -0,0 +1,3 @@
+export const SUBMISSIONS_PAGE = 'submissions';
+export const MODULE_PAGE = 'module';
+export const VISIBILITY_PAGE = 'visibility';
diff --git a/client/src/router/module.routes.js b/client/src/router/module.routes.js
new file mode 100644
index 00000000..4eef3e0b
--- /dev/null
+++ b/client/src/router/module.routes.js
@@ -0,0 +1,35 @@
+import moduleBase from '@/pages/module-base';
+import module from '@/pages/module';
+import submissions from '@/pages/submissions';
+import moduleVisibility from '@/pages/moduleVisibility';
+import {MODULE_PAGE, SUBMISSIONS_PAGE, VISIBILITY_PAGE} from '@/router/module.names';
+
+export default [
+  {
+  path: '/module/:slug',
+  component: moduleBase,
+  children: [
+    {
+      path: '',
+      name: MODULE_PAGE,
+      component: module,
+      meta: {filter: true},
+    },
+    {
+      path: 'submissions/:id',
+      name: SUBMISSIONS_PAGE,
+      component: submissions,
+      meta: {filter: true},
+    },
+    {
+      path: 'visibility',
+      name: VISIBILITY_PAGE,
+      component: moduleVisibility,
+      meta: {
+        layout: 'simple',
+        hideNavigation: true
+      },
+    },
+  ],
+}
+];
diff --git a/server/api/schema.py b/server/api/schema.py
index f5e87a87..7421800f 100644
--- a/server/api/schema.py
+++ b/server/api/schema.py
@@ -24,7 +24,6 @@ from rooms.mutations import RoomMutations
 from rooms.schema import RoomsQuery, ModuleRoomsQuery
 from users.schema import AllUsersQuery, UsersQuery
 from users.mutations import ProfileMutations
-from registration.mutations_public import RegistrationMutations
 
 
 class CustomQuery(UsersQuery, AllUsersQuery, ModuleRoomsQuery, RoomsQuery, ObjectivesQuery, BookQuery, AssignmentsQuery,
@@ -36,7 +35,7 @@ class CustomQuery(UsersQuery, AllUsersQuery, ModuleRoomsQuery, RoomsQuery, Objec
 
 
 class CustomMutation(BookMutations, RoomMutations, AssignmentMutations, ObjectiveMutations, CoreMutations, PortfolioMutations,
-               ProfileMutations, SurveyMutations, NoteMutations, RegistrationMutations, SpellCheckMutations,
+               ProfileMutations, SurveyMutations, NoteMutations, SpellCheckMutations,
                CouponMutations, graphene.ObjectType):
     if settings.DEBUG:
         debug = graphene.Field(DjangoDebug, name='_debug')
diff --git a/server/books/models/module.py b/server/books/models/module.py
index 2785d3a1..093a082b 100644
--- a/server/books/models/module.py
+++ b/server/books/models/module.py
@@ -58,7 +58,7 @@ class Module(StrictHierarchyPage):
     def get_child_ids(self):
         return self.get_children().values_list('id', flat=True)
 
-    def sync_from_school_class(self, school_class_pattern, school_class_to_sync):
+    def sync_from_school_class(self, school_class_template, school_class_to_sync):
         # import here so we don't get a circular import error
         from books.models import Chapter, ContentBlock
 
@@ -77,12 +77,12 @@ class Module(StrictHierarchyPage):
             content_block.visible_for.remove(school_class_to_sync)
 
         # get all content blocks with `hidden for`  for class `school_class_pattern`
-        for content_block in school_class_pattern.hidden_content_blocks.intersection(content_block_query):
+        for content_block in school_class_template.hidden_content_blocks.intersection(content_block_query):
             # add `school_class_to_sync` to these blocks' `hidden for`
             content_block.hidden_for.add(school_class_to_sync)
 
         # get all content blocks with `visible for` for class `school_class_pattern`
-        for content_block in school_class_pattern.visible_content_blocks.intersection(content_block_query):
+        for content_block in school_class_template.visible_content_blocks.intersection(content_block_query):
             # add `school_class_to_sync` to these blocks' `visible for`
             content_block.visible_for.add(school_class_to_sync)
 
diff --git a/server/books/schema/mutations/__init__.py b/server/books/schema/mutations/__init__.py
index fc85ed51..999faf9b 100644
--- a/server/books/schema/mutations/__init__.py
+++ b/server/books/schema/mutations/__init__.py
@@ -1,6 +1,7 @@
 from books.schema.mutations.chapter import UpdateChapterVisibility
 from books.schema.mutations.contentblock import MutateContentBlock, AddContentBlock, DeleteContentBlock
-from books.schema.mutations.module import UpdateSolutionVisibility, UpdateLastModule, UpdateLastTopic
+from books.schema.mutations.module import UpdateSolutionVisibility, UpdateLastModule, SyncModuleVisibility
+from books.schema.mutations.topic import UpdateLastTopic
 
 
 class BookMutations(object):
@@ -11,3 +12,4 @@ class BookMutations(object):
     update_last_module = UpdateLastModule.Field()
     update_last_topic = UpdateLastTopic.Field()
     update_chapter_visibility = UpdateChapterVisibility.Field()
+    sync_module_visibility = SyncModuleVisibility.Field()
diff --git a/server/books/schema/mutations/module.py b/server/books/schema/mutations/module.py
index 77b00244..d50e8b20 100644
--- a/server/books/schema/mutations/module.py
+++ b/server/books/schema/mutations/module.py
@@ -3,9 +3,10 @@ from datetime import datetime
 import graphene
 from graphene import relay
 
-from api.utils import get_errors, get_object
-from books.models import Module, Topic, RecentModule
-from books.schema.queries import ModuleNode, TopicNode
+from api.utils import get_object
+from books.models import Module, RecentModule
+from books.schema.queries import ModuleNode
+from users.models import SchoolClass
 
 
 class UpdateSolutionVisibility(relay.ClientIDMutation):
@@ -75,23 +76,30 @@ class UpdateLastModule(relay.ClientIDMutation):
             return cls(last_module=last_module.module)
 
 
-class UpdateLastTopic(relay.ClientIDMutation):
+class SyncModuleVisibility(relay.ClientIDMutation):
     class Input:
-        # todo: use slug here too
-        id = graphene.ID()
+        module = graphene.String(required=True)
+        template_school_class = graphene.ID(required=True)
+        school_class = graphene.ID(required=True)
 
-    topic = graphene.Field(TopicNode)
+    success = graphene.Boolean()
 
     @classmethod
     def mutate_and_get_payload(cls, root, info, **args):
         user = info.context.user
-        id = args.get('id')
+        if not user.is_teacher():
+            raise Exception('Permission denied')
 
-        topic = get_object(Topic, id)
-        if not topic:
-            raise Topic.DoesNotExist
+        module_slug = args.get('module')
+        template_id = args.get('template_school_class')
+        school_class_id = args.get('school_class')
 
-        user.last_topic = topic
-        user.save()
+        module = Module.objects.get(slug=module_slug)
+        template = get_object(SchoolClass, template_id)
+        school_class = get_object(SchoolClass, school_class_id)
+        if not template.is_user_in_schoolclass(user) or not school_class.is_user_in_schoolclass(user):
+            raise Exception('Permission denied')
 
-        return cls(topic=topic)
+        module.sync_from_school_class(template, school_class)
+
+        return cls(success=True)
diff --git a/server/books/schema/mutations/topic.py b/server/books/schema/mutations/topic.py
new file mode 100644
index 00000000..fafadae1
--- /dev/null
+++ b/server/books/schema/mutations/topic.py
@@ -0,0 +1,28 @@
+import graphene
+from graphene import relay
+
+from api.utils import get_object
+from books.models import Topic
+from books.schema.queries import TopicNode
+
+
+class UpdateLastTopic(relay.ClientIDMutation):
+    class Input:
+        # todo: use slug here too
+        id = graphene.ID()
+
+    topic = graphene.Field(TopicNode)
+
+    @classmethod
+    def mutate_and_get_payload(cls, root, info, **args):
+        user = info.context.user
+        id = args.get('id')
+
+        topic = get_object(Topic, id)
+        if not topic:
+            raise Topic.DoesNotExist
+
+        user.last_topic = topic
+        user.save()
+
+        return cls(topic=topic)
diff --git a/server/books/tests/test_copy_visibility_for_other_class.py b/server/books/tests/test_copy_visibility_for_other_class.py
index 60cff107..6fd27a22 100644
--- a/server/books/tests/test_copy_visibility_for_other_class.py
+++ b/server/books/tests/test_copy_visibility_for_other_class.py
@@ -34,6 +34,14 @@ CONTENT_BLOCK_QUERY = """
                 }
                 """
 
+SYNC_MUTATION = """
+mutation SyncMutationVisibility($input: SyncModuleVisibilityInput!) {
+  syncModuleVisibility(input: $input) {
+    success
+  }
+}
+"""
+
 
 class CopyVisibilityForClassesTestCase(TestCase):
     """
@@ -52,7 +60,7 @@ class CopyVisibilityForClassesTestCase(TestCase):
      """
 
     def setUp(self):
-        module = ModuleFactory()
+        module = ModuleFactory(slug='some-module')
         chapter = Chapter(title='Some Chapter')
         module.add_child(instance=chapter)
         create_users()
@@ -110,6 +118,36 @@ class CopyVisibilityForClassesTestCase(TestCase):
         })
         return result
 
+    def _test_in_sync(self):
+        # the hidden block is hidden for both now
+        hidden_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.hidden_content_block)
+        hidden_for = hidden_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
+        self.assertTrue('template-class' in map(lambda x: x['node']['name'], hidden_for))
+        self.assertTrue('class-to-be-synced' in map(lambda x: x['node']['name'], hidden_for))
+
+        # the other hidden block is hidden for no one now
+        other_hidden_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client,
+                                               self.other_hidden_content_block)
+        hidden_for = other_hidden_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
+        self.assertEqual(len(hidden_for), 0)
+
+        # the default block is still hidden for no one
+        default_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.default_content_block)
+        hidden_for = default_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
+        self.assertEqual(len(hidden_for), 0)
+
+        # the custom block is visible for both
+        custom_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.custom_content_block)
+        visible_for = custom_result.get('data').get('contentBlock').get('visibleFor').get('edges')
+        self.assertTrue('template-class' in map(lambda x: x['node']['name'], visible_for))
+        self.assertTrue('class-to-be-synced' in map(lambda x: x['node']['name'], visible_for))
+
+        # the other custom block is visible for no one
+        other_custom_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client,
+                                               self.other_custom_content_block)
+        visible_for = other_custom_result.get('data').get('contentBlock').get('visibleFor').get('edges')
+        self.assertEqual(len(visible_for), 0)
+
     def test_hidden_for_and_visible_for_set_correctly(self):
         self.assertEqual(ContentBlock.objects.count(), 5)
 
@@ -142,31 +180,14 @@ class CopyVisibilityForClassesTestCase(TestCase):
     def test_syncs_correctly(self):
         self.module.sync_from_school_class(self.template_school_class, self.school_class_to_be_synced)
 
-        # the hidden block is hidden for both now
-        hidden_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.hidden_content_block)
-        hidden_for = hidden_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
-        self.assertTrue('template-class' in map(lambda x: x['node']['name'], hidden_for))
-        self.assertTrue('class-to-be-synced' in map(lambda x: x['node']['name'], hidden_for))
+        self._test_in_sync()
 
-        # the other hidden block is hidden for no one now
-        other_hidden_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client,
-                                               self.other_hidden_content_block)
-        hidden_for = other_hidden_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
-        self.assertEqual(len(hidden_for), 0)
-
-        # the default block is still hidden for no one
-        default_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.default_content_block)
-        hidden_for = default_result.get('data').get('contentBlock').get('hiddenFor').get('edges')
-        self.assertEqual(len(hidden_for), 0)
-
-        # the custom block is visible for both
-        custom_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client, self.custom_content_block)
-        visible_for = custom_result.get('data').get('contentBlock').get('visibleFor').get('edges')
-        self.assertTrue('template-class' in map(lambda x: x['node']['name'], visible_for))
-        self.assertTrue('class-to-be-synced' in map(lambda x: x['node']['name'], visible_for))
-
-        # the other custom block is visible for no one
-        other_custom_result = self._get_result(CONTENT_BLOCK_QUERY, self.teacher_client,
-                                               self.other_custom_content_block)
-        visible_for = other_custom_result.get('data').get('contentBlock').get('visibleFor').get('edges')
-        self.assertEqual(len(visible_for), 0)
+    def test_mutation(self):
+        self.teacher_client.execute(SYNC_MUTATION, variables={
+            'input': {
+                'module': self.module.slug,
+                'templateSchoolClass': to_global_id('SchoolClassNode', self.template_school_class.pk),
+                'schoolClass': to_global_id('SchoolClassNode', self.school_class_to_be_synced.pk)
+            }
+        })
+        self._test_in_sync()
diff --git a/server/graphql.config.json b/server/graphql.config.json
deleted file mode 100644
index 8208188c..00000000
--- a/server/graphql.config.json
+++ /dev/null
@@ -1,25 +0,0 @@
-{
-  "schema": {
-    "request": {
-      "url": "http://localhost:8000/graphql",
-      "method": "POST",
-      "postIntrospectionQuery": true,
-      "options": {
-        "headers": {
-          "user-agent": "JS GraphQL"
-        }
-      }
-    }
-  },
-  "endpoints": [
-    {
-      "name": "Default (http://localhost:8000/graphql",
-      "url": "http://localhost:8000/graphql",
-      "options": {
-        "headers": {
-          "user-agent": "JS GraphQL"
-        }
-      }
-    }
-  ]
-}
\ No newline at end of file