diff --git a/dev-scripts/run_tests.bat b/dev-scripts/run_tests.bat
index 138926f..7f21fee 100644
--- a/dev-scripts/run_tests.bat
+++ b/dev-scripts/run_tests.bat
@@ -14,6 +14,7 @@ if "%composer_dir%"=="" (
   set "script_dir=%~dp0"
   set "work_dir=%script_dir%/.."
   cd %work_dir%
+  ls
 
   php -c php-win.ini %composer_dir% update
   php -c php-win.ini vendor/bin/phpunit tests --debug