Add feature tests for domain order management

- Implement AdminDomainOrderTest to cover admin functionalities for domain orders including listing, confirming registration, KYC updates, activation, rejection, and refunds.
- Implement ClientDomainOrderTest to cover client functionalities for placing domain orders, including validation for balance, duplicate orders, and domain normalization.
- Ensure proper handling of domain pricing and service statuses throughout the tests.

database/factories/ProductFactory.php

@@ -0,0 +1,40 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Str;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Product>
+ */
+class ProductFactory extends Factory
+{
+    public function definition(): array
+    {
+        $slug = Str::slug($this->faker->unique()->words(3, true));
+
+        $categoryId = DB::table('product_categories')->insertGetId([
+            'name'       => 'Test Category ' . $this->faker->unique()->numberBetween(1, 9999),
+            'slug'       => 'cat-' . $slug,
+            'type'       => null, // null so boot() hook does not override product_type
+            'is_active'  => true,
+            'sort_order' => 0,
+            'created_at' => now(),
+            'updated_at' => now(),
+        ]);
+
+        return [
+            'product_categories_id' => $categoryId,
+            'product_type'          => 'domain',
+            'name'                  => $this->faker->unique()->words(2, true),
+            'slug'                  => $slug,
+            'is_active'             => true,
+            'is_unlimited'          => true,
+            'setup_fee'             => 0,
+            'trial_days'            => 0,
+            'sort_order'            => 0,
+        ];
+    }
+}