diff --git a/packages/backend-test-utils/src/next/services/mockServices.test.ts b/packages/backend-test-utils/src/next/services/mockServices.test.ts
new file mode 100644
index 0000000000..d60111f258
--- /dev/null
+++ b/packages/backend-test-utils/src/next/services/mockServices.test.ts
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { coreServices } from '@backstage/backend-plugin-api';
+import { mockServices } from './mockServices';
+
+describe('mockServices', () => {
+  it('should have mock implementations for all core services', () => {
+    const mockServiceKeys = Object.keys(mockServices);
+    for (const key of Object.keys(coreServices)) {
+      if (key === 'pluginMetadata') {
+        continue;
+      }
+      expect(mockServiceKeys).toContain(key);
+    }
+  });
+});