diff --git a/tests/PhpSpreadsheetTests/SampleTest.php b/tests/PhpSpreadsheetTests/SampleTest.php
index 92d4ead9..c12ef16d 100644
--- a/tests/PhpSpreadsheetTests/SampleTest.php
+++ b/tests/PhpSpreadsheetTests/SampleTest.php
@@ -42,7 +42,7 @@ class SampleTest extends PHPUnit_Framework_TestCase
         $result = [];
         foreach ($helper->getSamples() as $samples) {
             foreach ($samples as $name => $sample) {
-                if (!in_array($name, $skipped) && preg_match('~21_Pdf_mPDF~', $sample)) {
+                if (!in_array($name, $skipped)) {
                     $file = '../samples/' . $sample;
                     $result[] = [$file];
                 }