diff --git a/tests/unit/LaravelQrCodeFactoryTest.php b/tests/unit/LaravelQrCodeFactoryTest.php
index cb8135b..2208222 100644
--- a/tests/unit/LaravelQrCodeFactoryTest.php
+++ b/tests/unit/LaravelQrCodeFactoryTest.php
@@ -33,6 +33,8 @@ public function testInvalidQrCodeFormatInvalidClass()
 
     public function testCreateGradientQrCode()
     {
+        //@TODO investigate why tests fail on CI but works properly on local
+        //@TODO remove file storing once it's done
         $foreground = [
             'r' => 255,
             'g' => 0,
@@ -79,6 +81,7 @@ public function testCreateGradientQrCode()
             Gradient::GRADIENT_RADIAL
         )
         ->writeString();
+
         file_put_contents(codecept_data_dir('blade/qrcode-gradient-radial.png'), $qrCodeRadial);
         $uri = file_get_contents(codecept_data_dir('blade/qrcode-gradient-radial.png'));