just testing the environment

tests/Integration/LogoutTest.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Integration;
+
+use Tests\Support\ApiTestCase;
+use Tests\Support\DatabaseFixture;
+
+final class LogoutTest extends ApiTestCase
+{
+    public function testLogoutRevokesToken(): void
+    {
+        $this->loginAs(DatabaseFixture::ADMIN_USERNAME);
+        $token = $this->bearerToken;
+        $this->assertNotNull($token);
+
+        $logout = $this->api('POST', 'logout');
+        $this->assertOk($logout);
+
+        $this->bearerToken = $token;
+        $after = $this->api('GET', 'questionnaires');
+        $this->assertLegacyAuthError($after, 403, 'Invalid or expired token');
+    }
+}