Update domain checklist

tests/Unit/DomainCheckTest.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace Tests\Unit;
+
+use App\DataProviders\Domains;
+use Tests\TestCase;
+
+/**
+ * @test
+ */
+class DomainCheckTest extends TestCase
+{
+
+    protected function setUp() :void
+    {
+        parent::setUp();
+    }
+
+    public function testDomainCheck()
+    {
+
+        $this->assertTrue(in_array('yopmail.com', Domains::getDomains()));
+        $this->assertFalse(in_array('invoiceninja.com', Domains::getDomains()));
+
+    }
+}