feat: add BankCard and WithdrawRequest factories with comprehensive methods and tests

database/factories/BankCardFactory.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\BankCard>
+ */
+class BankCardFactory extends Factory
+{
+    public function definition(): array
+    {
+        return [
+            'card_number' => fake()->numerify('################'),
+            'holder_name' => fake()->firstName() . ' ' . fake()->lastName(),
+            'user_id' => User::factory(),
+        ];
+    }
+}