Update grid-inline-support-grid-template-areas-001.html (#19435)

diff --git a/css/css-grid/grid-definition/grid-inline-support-grid-template-areas-001.html b/css/css-grid/grid-definition/grid-inline-support-grid-template-areas-001.html
index d647c26..1573fa4 100644
--- a/css/css-grid/grid-definition/grid-inline-support-grid-template-areas-001.html
+++ b/css/css-grid/grid-definition/grid-inline-support-grid-template-areas-001.html
@@ -9,7 +9,7 @@
 <script src="/resources/testharnessreport.js"></script>
 <script src="support/testing-utils.js"></script>
 <style>
-  #grid {
+  #inline-grid {
     display: inline-grid;
   }
 </style>