diff --git a/tests/src/Functional/ViewsTest.php b/tests/src/Functional/ViewsTest.php
index e72172b8..3c824fd6 100644
--- a/tests/src/Functional/ViewsTest.php
+++ b/tests/src/Functional/ViewsTest.php
@@ -475,12 +475,14 @@ class ViewsTest extends SearchApiBrowserTestBase {
     $web_assert = $this->assertSession();
     $this->drupalGet('search-api-test-sorts/' . $arguments, ['query' => $query]);
 
-    if (isset($expected_results)) {
-      foreach ($expected_results as $idx => $id) {
-        $entity_label = Html::escape($this->entities[$id]->label());
-        $pos = $idx + 1;
-        $web_assert->elementContains('xpath', '(//div[contains(@class, "views-row")])[' . $pos . ']', $entity_label);
-      }
+    if ($expected_results === NULL) {
+      return;
+    }
+
+    foreach ($expected_results as $idx => $id) {
+      $entity_label = Html::escape($this->entities[$id]->label());
+      $pos = $idx + 1;
+      $web_assert->elementContains('xpath', '(//div[contains(@class, "views-row")])[' . $pos . ']', $entity_label);
     }
   }