added in vendor for prod

vendor/open-function-computers-llc/rad-theme-engine/tests/UtilTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace ofc\tests;
+
+use ofc\Util;
+use PHPUnit\Framework\TestCase;
+
+class UtilTest extends TestCase
+{
+    /** @test */
+    public function weCanSlugifyAString()
+    {
+        $cases = [
+            "This is a string" => "this-is-a-string",
+            "String with nÓn ASCII chars & stuff!" => "string-with-non-ascii-chars-and-stuff",
+        ];
+
+        foreach ($cases as $input => $expected) {
+            $this->assertEquals($expected, Util::slugify($input));
+        }
+    }
+}