diff --git a/core/modules/system/tests/src/FunctionalJavascript/ModuleFilterTest.php b/core/modules/system/tests/src/FunctionalJavascript/ModuleFilterTest.php
index 69fdb3f381..9f96c1a526 100644
--- a/core/modules/system/tests/src/FunctionalJavascript/ModuleFilterTest.php
+++ b/core/modules/system/tests/src/FunctionalJavascript/ModuleFilterTest.php
@@ -53,11 +53,8 @@ public function testModuleFilter() {
     $filter->setValue('test');
     $session->wait(1000, 'jQuery("#module-node:visible").length == 0');
     $visible_rows = $this->filterVisibleElements($module_rows);
-    self::assertNotEquals(count($module_rows), count($visible_rows));
-
-    // Test Drupal.announce() message when multiple matches are expected.
-    $expected_message = count($visible_rows) . ' modules are available in the modified list.';
-    $assertSession->elementTextContains('css', '#drupal-live-announce', $expected_message);
+    self::assertGreaterThan(count($visible_rows), count($module_rows));
+    $this->assertGreaterThan(1,  count($visible_rows));
 
     // Test Drupal.announce() message only one match is expected.
     // Using a very specific module name, we expect only one row.
@@ -86,7 +83,7 @@ public function testModuleFilter() {
    *
    * @return \Behat\Mink\Element\NodeElement[]
    */
-  protected function filterVisibleElements($elements) {
+  protected function filterVisibleElements(array $elements): array {
     $elements = array_filter($elements, function ($element) {
       return $element->isVisible();
     });