diff --git a/core/modules/system/src/Tests/Theme/TableTest.php b/core/modules/system/src/Tests/Theme/TableTest.php
index 0356f1a..42f8413 100644
--- a/core/modules/system/src/Tests/Theme/TableTest.php
+++ b/core/modules/system/src/Tests/Theme/TableTest.php
@@ -225,11 +225,11 @@ public function testThemeTableResponsivePriorityNotEnabled() {
       '#responsive' => FALSE,
     );
     $this->render($table);
-    $this->assertNoRaw('<th class="priority-medium">1</th>', 'Header 1: the priority-medium class was not applied.');
-    $this->assertNoRaw('<th class="priority-low">2</th>', 'Header 2: the priority-low class was not applied.');
+    $this->assertRaw('<th>1</th>', 'Header 1: the priority-medium class was not applied.');
+    $this->assertRaw('<th>2</th>', 'Header 2: the priority-low class was not applied.');
     $this->assertRaw('<th>3</th>', 'Header 3: no priority classes were applied.');
-    $this->assertNoRaw('<td class="priority-medium">4</td>', 'Cell 1: the priority-medium class was not applied.');
-    $this->assertNoRaw('<td class="priority-low">5</td>', 'Cell 2: the priority-low class was not applied');
+    $this->assertRaw('<td>4</td>', 'Cell 1: the priority-medium class was not applied.');
+    $this->assertRaw('<td>5</td>', 'Cell 2: the priority-low class was not applied');
     $this->assertRaw('<td>6</td>', 'Cell 3: no priority classes were applied.');
   }