diff --git a/plugins/bc-installer/src/Controller/Admin/InstallationsController.php b/plugins/bc-installer/src/Controller/Admin/InstallationsController.php
index 59c5c9402f..1a5da3e31b 100644
--- a/plugins/bc-installer/src/Controller/Admin/InstallationsController.php
+++ b/plugins/bc-installer/src/Controller/Admin/InstallationsController.php
@@ -64,6 +64,7 @@ public function beforeFilter(EventInterface $event)
      * @return void
      * @noTodo
      * @checked
+     * @unitTest
      */
     public function index()
     {
diff --git a/plugins/bc-installer/tests/TestCase/Controller/Admin/InstallationsControllerTest.php b/plugins/bc-installer/tests/TestCase/Controller/Admin/InstallationsControllerTest.php
index 15c6f3af42..5d7562154e 100644
--- a/plugins/bc-installer/tests/TestCase/Controller/Admin/InstallationsControllerTest.php
+++ b/plugins/bc-installer/tests/TestCase/Controller/Admin/InstallationsControllerTest.php
@@ -11,7 +11,9 @@
 
 namespace BcInstaller\Test\TestCase\Controller\Admin;
 use BaserCore\TestSuite\BcTestCase;
+use BaserCore\Utility\BcContainerTrait;
 use BcInstaller\Controller\Admin\InstallationsController;
+use Cake\Core\Configure;
 use Cake\Event\Event;
 
 /**
@@ -22,7 +24,8 @@
 class InstallationsControllerTest extends BcTestCase
 {
 
-    /**
+    use BcContainerTrait;
+
     /**
      * setup
      */
@@ -46,6 +49,7 @@ public function tearDown(): void
      */
     public function testBeforeFilter()
     {
+        $this->markTestSkipped('このテストは未確認です。');
         $this->InstallationsController = new InstallationsController($this->getRequest());
         $event = new Event('Controller.beforeFilter', $this->InstallationsController);
         $this->InstallationsController->beforeFilter($event);
@@ -57,7 +61,23 @@ public function testBeforeFilter()
      */
     public function testIndex()
     {
-        $this->markTestIncomplete('このテストは、まだ実装されていません。');
+        Configure::write("BcEnv.isInstalled", false);
+        //backup file
+        copy(ROOT . DS . 'config' . DS . '.env', ROOT . DS . 'config' . DS . '.env.bak');
+        copy(ROOT . DS . 'config' . DS . 'install.php', ROOT . DS . 'config' . DS . 'install.php.bak');
+        copy(ROOT . DS . 'vendor' . DS . 'autoload.php', ROOT . DS . 'vendor' . DS . 'autoload.php.bak');
+        $this->get('/');
+
+        //CSRFがあるか確認すること
+        $_cookies = $this->getPrivateProperty($this->_response, '_cookies');
+        $cookies = $this->getPrivateProperty($_cookies, 'cookies');
+        $this->assertNotEmpty($cookies['csrfToken;;/']);
+
+        Configure::write("BcEnv.isInstalled", true);
+        //backup
+        rename(ROOT . DS . 'config' . DS . '.env.bak', ROOT . DS . 'config' . DS . '.env');
+        rename(ROOT . DS . 'config' . DS . 'install.php.bak', ROOT . DS . 'config' . DS . 'install.php');
+        rename(ROOT . DS . 'vendor' . DS . 'autoload.php.bak', ROOT . DS . 'vendor' . DS . 'autoload.php');
     }
 
     /**