test: added missing song resource factory (#606)

database/factories/Pivots/Wiki/SongResourceFactory.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Database\Factories\Pivots\Wiki;
+
+use App\Pivots\Wiki\SongResource;
+use Illuminate\Database\Eloquent\Factories\Factory;
+use Illuminate\Support\Str;
+
+/**
+ * Class SongResourceFactory.
+ *
+ * @method SongResource createOne($attributes = [])
+ * @method SongResource makeOne($attributes = [])
+ *
+ * @extends Factory<SongResource>
+ */
+class SongResourceFactory extends Factory
+{
+    /**
+     * The name of the factory's corresponding model.
+     *
+     * @var class-string<SongResource>
+     */
+    protected $model = SongResource::class;
+
+    /**
+     * Define the model's default state.
+     *
+     * @return array
+     */
+    public function definition(): array
+    {
+        return [
+            SongResource::ATTRIBUTE_AS => Str::random(),
+        ];
+    }
+}