diff --git a/src/config/mock/auth.config.mock.ts b/src/config/mock/auth.config.mock.ts
new file mode 100644
index 000000000..6a703d727
--- /dev/null
+++ b/src/config/mock/auth.config.mock.ts
@@ -0,0 +1,40 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { registerAs } from '@nestjs/config';
+
+export default registerAs('authConfig', () => ({
+  email: {
+    enableLogin: true,
+    enableRegister: true,
+  },
+  facebook: {
+    clientID: undefined,
+    clientSecret: undefined,
+  },
+  twitter: {
+    consumerKey: undefined,
+    consumerSecret: undefined,
+  },
+  github: {
+    clientID: undefined,
+    clientSecret: undefined,
+  },
+  dropbox: {
+    clientID: undefined,
+    clientSecret: undefined,
+    appKey: undefined,
+  },
+  google: {
+    clientID: undefined,
+    clientSecret: undefined,
+    apiKey: undefined,
+  },
+  gitlab: [],
+  ldap: [],
+  saml: [],
+  oauth2: [],
+}));
diff --git a/src/config/mock/customization.config.mock.ts b/src/config/mock/customization.config.mock.ts
new file mode 100644
index 000000000..943fd0d90
--- /dev/null
+++ b/src/config/mock/customization.config.mock.ts
@@ -0,0 +1,19 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { registerAs } from '@nestjs/config';
+
+export default registerAs('customizationConfig', () => ({
+  branding: {
+    customName: 'ACME Corp',
+    customLogo: '',
+  },
+  specialUrls: {
+    privacy: '/test/privacy',
+    termsOfUse: '/test/termsOfUse',
+    imprint: '/test/imprint',
+  },
+}));
diff --git a/src/config/mock/external-services.config.mock.ts b/src/config/mock/external-services.config.mock.ts
new file mode 100644
index 000000000..5708861a6
--- /dev/null
+++ b/src/config/mock/external-services.config.mock.ts
@@ -0,0 +1,12 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { registerAs } from '@nestjs/config';
+
+export default registerAs('externalServicesConfig', () => ({
+  plantUmlServer: 'plantuml.example.com',
+  imageProxy: 'imageProxy.example.com',
+}));
diff --git a/test/private-api/history.e2e-spec.ts b/test/private-api/history.e2e-spec.ts
index 4123a9321..c7c81f2dd 100644
--- a/test/private-api/history.e2e-spec.ts
+++ b/test/private-api/history.e2e-spec.ts
@@ -16,6 +16,9 @@ import { TypeOrmModule } from '@nestjs/typeorm';
 import * as request from 'supertest';
 import mediaConfigMock from '../../src/config/mock/media.config.mock';
 import appConfigMock from '../../src/config/mock/app.config.mock';
+import authConfigMock from '../../src/config/mock/auth.config.mock';
+import customizationConfigMock from '../../src/config/mock/customization.config.mock';
+import externalServicesConfigMock from '../../src/config/mock/external-services.config.mock';
 import { GroupsModule } from '../../src/groups/groups.module';
 import { LoggerModule } from '../../src/logger/logger.module';
 import { NotesModule } from '../../src/notes/notes.module';
@@ -43,7 +46,13 @@ describe('History', () => {
       imports: [
         ConfigModule.forRoot({
           isGlobal: true,
-          load: [appConfigMock, mediaConfigMock],
+          load: [
+            appConfigMock,
+            mediaConfigMock,
+            authConfigMock,
+            customizationConfigMock,
+            externalServicesConfigMock,
+          ],
         }),
         PrivateApiModule,
         NotesModule,