diff --git a/core/modules/system/src/Tests/Theme/TwigTransTest.php b/core/modules/system/src/Tests/Theme/TwigTransTest.php
index b70d887..d9d3aa56 100644
--- a/core/modules/system/src/Tests/Theme/TwigTransTest.php
+++ b/core/modules/system/src/Tests/Theme/TwigTransTest.php
@@ -82,7 +82,7 @@ protected function setUp() {
   /**
    * Test Twig "trans" tags.
    */
-  public function ptestTwigTransTags() {
+  public function testTwigTransTags() {
     $this->drupalGet('twig-theme-test/trans', array('language' => \Drupal::languageManager()->getLanguage('xx')));
 
     $this->assertText(
@@ -162,7 +162,7 @@ public function ptestTwigTransTags() {
   /**
    * Test Twig "trans" debug markup.
    */
-  public function ptestTwigTransDebug() {
+  public function testTwigTransDebug() {
     // Enable debug, rebuild the service container, and clear all caches.
     $parameters = $this->container->getParameter('twig.config');
     $parameters['debug'] = TRUE;