Add basic tests around asset request index

database/factories/CheckoutRequestFactory.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Database\Factories;
+
+use App\Models\Asset;
+use App\Models\CheckoutRequest;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+class CheckoutRequestFactory extends Factory
+{
+    protected $model = CheckoutRequest::class;
+
+    public function definition(): array
+    {
+        return [
+            'requestable_id' => Asset::factory(),
+            'requestable_type' => Asset::class,
+            'quantity' => 1,
+            'user_id' => User::factory(),
+        ];
+    }
+}