Add IsItemTest #2

tests/Unit/Models/Traits/IsItemTest.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Tipoff\Checkout\Tests\Unit\Models\Traits;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tipoff\Checkout\Models\Traits\IsItem;
+use Tipoff\Checkout\Tests\TestCase;
+
+class IsItemTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected $model;
+
+    public function setUp(): void
+    {
+        parent::setUp();
+
+        $this->model = new class extends Model {
+            use IsItem;
+            protected $table = 'test_table';
+        };
+    }
+
+    /** @test */
+    public function is_child_item()
+    {
+        $this->assertInstanceOf(Builder::class, $this->model->isChildItem());
+    }
+}