Fixed requires

Author: alejandromarcu

test/CodegenSimpleTester.php

@@ -28,7 +28,7 @@ final class CodegenSimpleTester {
    * Run all the tests.  Return true if they all succeeded.
    */
   public static function run(): bool {
-    $files = glob('test/*.php');
+    $files = glob(__DIR__.'/*.php');
     $fail_count = 0;
     foreach ($files as $file) {
       $classes = get_declared_classes();

test/run_tests.php

@@ -9,6 +9,6 @@
  */
 
 require_once('vendor/autoload.php');
-require_once('test/CodegenSimpleTester.php');
+require_once('CodegenSimpleTester.php');
 $success = CodegenSimpleTester::run();
 exit($success ? 0 : 1);