diff --git a/plugins/bc-custom-content/src/Controller/Api/Admin/CustomContentsController.php b/plugins/bc-custom-content/src/Controller/Api/Admin/CustomContentsController.php
index dc2f4f6144..60865659a3 100644
--- a/plugins/bc-custom-content/src/Controller/Api/Admin/CustomContentsController.php
+++ b/plugins/bc-custom-content/src/Controller/Api/Admin/CustomContentsController.php
@@ -32,6 +32,7 @@ class CustomContentsController extends BcAdminApiController
      *
      * @checked
      * @noTodo
+     * @unitTest
      */
     public function index(CustomContentsServiceInterface $service)
     {
diff --git a/plugins/bc-custom-content/tests/TestCase/Controller/Admin/Api/CustomContentsControllerTest.php b/plugins/bc-custom-content/tests/TestCase/Controller/Admin/Api/CustomContentsControllerTest.php
index 78d8323cca..1ea73eb071 100644
--- a/plugins/bc-custom-content/tests/TestCase/Controller/Admin/Api/CustomContentsControllerTest.php
+++ b/plugins/bc-custom-content/tests/TestCase/Controller/Admin/Api/CustomContentsControllerTest.php
@@ -62,6 +62,22 @@ public function tearDown(): void
         parent::tearDown();
     }
 
+    /**
+     * test index
+     */
+    public function test_index()
+    {
+        //データを生成
+        $this->loadFixtureScenario(CustomContentsScenario::class);
+        //APIを呼ぶ
+        $this->get('/baser/api/admin/bc-custom-content/custom_contents/index.json?token=' . $this->accessToken);
+        //ステータスを確認
+        $this->assertResponseOk();
+        //戻る値を確認
+        $result = json_decode((string)$this->_response->getBody());
+        $this->assertCount(2, $result->customContents);
+    }
+
     /**
      * test add
      */