adjusting for less than 0 possibility

tests/Feature/DefaultColorKeyTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+use App\Models\Statuslabel;
+use App\Models\Asset;
+
+class DefaultColorKeyTest extends TestCase
+{
+    public function DefaultColorKeyTest()
+    {
+        Statuslabel::factory()->hasAssets(1)->count(255)->create();
+
+        $this->defaultChartColors($index);
+
+        $this->assertArrayHasKey('index', ($index)[0]);
+
+
+    }
+}