diff --git a/core/modules/views/src/Tests/ViewResultAssertionTrait.php b/core/modules/views/src/Tests/ViewResultAssertionTrait.php
index 243d90c57a..e44d29654d 100644
--- a/core/modules/views/src/Tests/ViewResultAssertionTrait.php
+++ b/core/modules/views/src/Tests/ViewResultAssertionTrait.php
@@ -81,7 +81,7 @@ protected function assertIdenticalResultsetHelper($view, $expected_result, $colu
           $row[$expected_column] = (string) $value->$view_column;
         }
         elseif ($value->hasValue($view_column)) {
-          $row[$expected_column] = (string) $value->getValue($view_column);
+          $row[$expected_column] = $value->getValue($view_column);
         }
         // For entity fields we don't have the raw value. Let's try to fetch it
         // using the entity itself.