Added basic models and factories

tests/Unit/Model/ModelTestAbstract.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Tests\Unit\Model;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+abstract class ModelTestAbstract extends TestCase
+{
+    use RefreshDatabase;
+}