chore: implement php test suites

Signed-off-by: Sebastian Krupinski <krupinski01@gmail.com>

tests/php/bootstrap.php

@@ -6,9 +6,9 @@ declare(strict_types=1);
 // server's own vendor/autoload.php (core + shared + framework deps) is a
 // fixed number of levels above this file. Every other test file resolves
 // the server root through this constant rather than repeating the math.
-define('KTRIX_SERVER_ROOT', dirname(__DIR__, 4));
+define('SERVER_ROOT', dirname(__DIR__, 4));
 
-require KTRIX_SERVER_ROOT . '/vendor/autoload.php';
+require SERVER_ROOT . '/vendor/autoload.php';
 require __DIR__ . '/Integration/IntegrationTestCase.php';
 
 if (isset($_SERVER['APP_DEBUG']) && $_SERVER['APP_DEBUG']) {