Fix ns in test

Author: samizdam

tests/config_builderTest.php

@@ -1,10 +1,10 @@
 <?php
 
-namespace StudService\PhpCsFixerTests;
+namespace FreeElephants\PhpCsFixerTests;
 
 use PhpCsFixer\Finder;
 use PHPUnit\Framework\TestCase;
-use function StudService\PhpCsFixer\build_config;
+use function FreeElephants\PhpCsFixer\build_config;
 
 class config_builderTest extends TestCase
 {