diff --git a/core/modules/views/src/Tests/Handler/FieldGroupRowsTest.php b/core/modules/views/src/Tests/Handler/FieldGroupRowsTest.php
index a5f18d2..7ec98b8 100644
--- a/core/modules/views/src/Tests/Handler/FieldGroupRowsTest.php
+++ b/core/modules/views/src/Tests/Handler/FieldGroupRowsTest.php
@@ -85,8 +85,11 @@ public function testGroupRows() {
 
     // Test ungrouped rows.
     $this->executeView($view);
+    $view->row_index = 0;
     $this->assertEqual($view->field[$this->fieldName]->advancedRender($view->result[0]), 'a');
+    $view->row_index = 1;
     $this->assertEqual($view->field[$this->fieldName]->advancedRender($view->result[1]), 'b');
+    $view->row_index = 2;
     $this->assertEqual($view->field[$this->fieldName]->advancedRender($view->result[2]), 'c');
   }