diff --git a/core/modules/views/tests/src/FunctionalJavascript/PaginationAJAXTest.php b/core/modules/views/tests/src/FunctionalJavascript/PaginationAJAXTest.php
index 6ce5d06ae409d59375f3a1bff3589b049b104477..ee5e5d07c9d26512591cd04ba6a7494c0c61f2cd 100644
--- a/core/modules/views/tests/src/FunctionalJavascript/PaginationAJAXTest.php
+++ b/core/modules/views/tests/src/FunctionalJavascript/PaginationAJAXTest.php
@@ -257,7 +257,7 @@ protected function assertNoDuplicateAssetsOnPage(): void {
   /**
    * Tests when a user navigates directly using a page number parameter.
    */
-  public function testPaginationAjaxWithTitleFilter() {
+  public function testPaginationAjaxWithTitleFilter(): void {
     // Visit the page url /test-content-ajax-filter?page=3.
     $this->drupalGet('test-content-ajax-filter', ['query' => ['page' => 3]]);
     $session_assert = $this->assertSession();