Add failing test

tests/Unit/Transformers/DepreciationReportTransformerTest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Tests\Unit\Transformers;
+
+use App\Http\Transformers\DepreciationReportTransformer;
+use App\Models\Asset;
+use App\Models\Depreciation;
+use Tests\TestCase;
+
+class DepreciationReportTransformerTest extends TestCase
+{
+    public function testHandlesModelDepreciationMonthsBeingZero()
+    {
+        $asset = Asset::factory()->create();
+        $depreciation = Depreciation::factory()->create(['months' => 0]);
+        $asset->model->depreciation()->associate($depreciation);
+
+        $transformer = new DepreciationReportTransformer;
+
+        $result = $transformer->transformAsset($asset);
+
+        $this->assertIsArray($result);
+    }
+}