diff -u b/core/modules/text/tests/src/Kernel/TextItemBaseTest.php b/core/modules/text/tests/src/Kernel/TextItemBaseTest.php
--- b/core/modules/text/tests/src/Kernel/TextItemBaseTest.php
+++ b/core/modules/text/tests/src/Kernel/TextItemBaseTest.php
@@ -37,7 +37,7 @@
     $this->assertEquals($max_length, strlen($sample_value['value']));
   }
 
-  /*
+  /**
    * Data provider for testTextFieldSampleValue.
    */
   public function providerTextFieldSampleValue() {