write test for Fuzzy Search

tests/FuzzyTest.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+use PHPUnit\Framework\TestCase;
+use Steamy\Core\Utility;
+
+class FuzzyTest extends TestCase
+{
+    public function testFuzzySearch(): void
+    {
+        $strings = ['Espresso', 'Cappuccino', 'Latte', 'Americano', 'Mocha'];
+        $searchTerm = 'Espreso';
+        $threshold = 1;
+
+        $result = Utility::fuzzySearch($searchTerm, $strings, $threshold);
+
+        $this->assertContains('Espresso', $result);
+        $this->assertNotContains('Mocha', $result);
+    }
+
+    public function testLevenshteinDistance(): void
+    {
+        $str1 = 'Almond';
+        $str2 = 'Coconut';
+
+        $result = Utility::levenshteinDistance($str1, $str2);
+
+        $this->assertEquals(5, $result);
+    }
+}