diff --git a/core/modules/views_ui/src/Tests/PreviewTest.php b/core/modules/views_ui/src/Tests/PreviewTest.php
index d2dcd12..85073fb 100644
--- a/core/modules/views_ui/src/Tests/PreviewTest.php
+++ b/core/modules/views_ui/src/Tests/PreviewTest.php
@@ -275,7 +275,7 @@ public function testPreviewSortLink() {
     $this->getPreviewAJAX('test_click_sort', 'page_1', 0);
 
     // Test that the header label is present.
-    $elements = $this->xpath('//th[contains(@class, :class)]/a', array(':class' => 'views-field views-field-name'));
+    $elements = $this->cssSelect('th.views-field.views-field-name a');
     $this->assertTrue(!empty($elements), 'The header label is present.');
 
     // Verify link.
@@ -285,7 +285,7 @@ public function testPreviewSortLink() {
     $this->clickPreviewLinkAJAX($elements[0]['href'], 0);
 
     // Test that the header label is present.
-    $elements = $this->xpath('//th[contains(@class, :class)]/a', array(':class' => 'views-field views-field-name is-active'));
+    $elements = $this->cssSelect('th.is-active.views-field.views-field-name a');
     $this->assertTrue(!empty($elements), 'The header label is present.');
 
     // Verify link.