diff --git a/core/modules/language/tests/src/Functional/LanguageListTest.php b/core/modules/language/tests/src/Functional/LanguageListTest.php
index 98eed70..42b3abe 100644
--- a/core/modules/language/tests/src/Functional/LanguageListTest.php
+++ b/core/modules/language/tests/src/Functional/LanguageListTest.php
@@ -23,9 +23,6 @@ class LanguageListTest extends BrowserTestBase {
 
   /**
    * Functional tests for adding, editing and deleting languages.
-   *
-   * @expectedException \InvalidArgumentException
-   * @expectedExceptionMessage Input "site_default_language" cannot take "nl" as a value (possible values: xx).
    */
   function testLanguageList() {