Hoan thien core finance v2

tests/Feature/ContractResourceRenderTest.php

@@ -0,0 +1,13 @@
+<?php
+
+use App\Filament\Resources\Contracts\ContractResource;
+use App\Models\User;
+
+it('can render contracts index without error', function () {
+    $this->actingAs(User::factory()->create());
+    
+    $response = $this->get(ContractResource::getUrl('index'));
+    
+    // Chỉ kiểm tra không bị 500 error
+    $response->assertStatus(200);
+});