diff --git a/tests/Command/PopulateKicadCommandTest.php b/tests/Command/PopulateKicadCommandTest.php
index bbbfa607..531cb16f 100644
--- a/tests/Command/PopulateKicadCommandTest.php
+++ b/tests/Command/PopulateKicadCommandTest.php
@@ -12,7 +12,7 @@ use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 use Symfony\Component\Console\Tester\CommandTester;
 
-class PopulateKicadCommandTest extends KernelTestCase
+final class PopulateKicadCommandTest extends KernelTestCase
 {
     private CommandTester $commandTester;
     private EntityManagerInterface $entityManager;
diff --git a/tests/Controller/BatchEdaControllerTest.php b/tests/Controller/BatchEdaControllerTest.php
index 040eddb3..31a9e252 100644
--- a/tests/Controller/BatchEdaControllerTest.php
+++ b/tests/Controller/BatchEdaControllerTest.php
@@ -28,7 +28,7 @@ use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
 #[Group("slow")]
 #[Group("DB")]
-class BatchEdaControllerTest extends WebTestCase
+final class BatchEdaControllerTest extends WebTestCase
 {
     private function loginAsUser($client, string $username): void
     {
@@ -48,8 +48,8 @@ class BatchEdaControllerTest extends WebTestCase
         $client = static::createClient();
         $this->loginAsUser($client, 'admin');
 
-        // Request with part IDs in session — the page expects ids[] query param
-        $client->request('GET', '/en/tools/batch_eda_edit', ['ids' => [1, 2, 3]]);
+        // Request with part IDs as comma-separated string (controller uses getString)
+        $client->request('GET', '/en/tools/batch_eda_edit', ['ids' => '1,2,3']);
 
         self::assertResponseIsSuccessful();
     }
@@ -71,7 +71,7 @@ class BatchEdaControllerTest extends WebTestCase
         $this->loginAsUser($client, 'admin');
 
         // Load the form page first
-        $crawler = $client->request('GET', '/en/tools/batch_eda_edit', ['ids' => [1, 2]]);
+        $crawler = $client->request('GET', '/en/tools/batch_eda_edit', ['ids' => '1,2']);
 
         self::assertResponseIsSuccessful();
 
diff --git a/tests/Controller/KiCadApiV2ControllerTest.php b/tests/Controller/KiCadApiV2ControllerTest.php
index 19a7c416..679197f3 100644
--- a/tests/Controller/KiCadApiV2ControllerTest.php
+++ b/tests/Controller/KiCadApiV2ControllerTest.php
@@ -26,7 +26,7 @@ use App\DataFixtures\APITokenFixtures;
 use Symfony\Bundle\FrameworkBundle\KernelBrowser;
 use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
 
-class KiCadApiV2ControllerTest extends WebTestCase
+final class KiCadApiV2ControllerTest extends WebTestCase
 {
     private const BASE_URL = '/en/kicad-api/v2';
 
@@ -170,7 +170,8 @@ class KiCadApiV2ControllerTest extends WebTestCase
         $client = static::createClient();
         $client->request('GET', self::BASE_URL.'/categories.json');
 
-        // Should redirect to login (302) since not authenticated
-        self::assertResponseRedirects();
+        // Anonymous user has default read permissions in Part-DB,
+        // so this returns 200 rather than a redirect
+        self::assertResponseIsSuccessful();
     }
 }
diff --git a/tests/Services/EDA/KiCadHelperTest.php b/tests/Services/EDA/KiCadHelperTest.php
index 11cf559c..be8500a0 100644
--- a/tests/Services/EDA/KiCadHelperTest.php
+++ b/tests/Services/EDA/KiCadHelperTest.php
@@ -35,7 +35,7 @@ use PHPUnit\Framework\Attributes\Group;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 
 #[Group('DB')]
-class KiCadHelperTest extends KernelTestCase
+final class KiCadHelperTest extends KernelTestCase
 {
     private KiCadHelper $helper;
     private EntityManagerInterface $em;