Disable Vite in tests so CI can run without a frontend build.

Feature tests were failing on the host runner with ViteManifestNotFoundException after the flaky Node build step was removed.

tests/TestCase.php

@@ -6,5 +6,11 @@ use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
 
 abstract class TestCase extends BaseTestCase
 {
-    //
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        // Feature tests render Blade without a Vite build in CI.
+        $this->withoutVite();
+    }
 }