diff --git a/tests/ref/grid-subheaders-demo.png b/tests/ref/grid-subheaders-demo.png
new file mode 100644
index 000000000..ec1cd998c
Binary files /dev/null and b/tests/ref/grid-subheaders-demo.png differ
diff --git a/tests/suite/layout/grid/subheaders.typ b/tests/suite/layout/grid/subheaders.typ
index 5c28f1065..e1c7b20d0 100644
--- a/tests/suite/layout/grid/subheaders.typ
+++ b/tests/suite/layout/grid/subheaders.typ
@@ -1,3 +1,32 @@
+--- grid-subheaders-demo ---
+#set page(height: 15.2em)
+#table(
+  columns: 2,
+  align: center,
+  table.header(
+    table.cell(colspan: 2)[*Regional User Data*],
+  ),
+  table.header(
+    level: 2,
+    table.cell(colspan: 2)[*Germany*],
+    [*Username*], [*Joined*]
+  ),
+  [john123], [2024],
+  [rob8], [2025],
+  [joe1], [2025],
+  [joe2], [2025],
+  [martha], [2025],
+  [pear], [2025],
+  table.header(
+    level: 2,
+    table.cell(colspan: 2)[*United States*],
+    [*Username*], [*Joined*]
+  ),
+  [cool4], [2023],
+  [roger], [2023],
+  [bigfan55], [2022]
+)
+
 --- grid-subheaders-colorful ---
 #set page(width: auto, height: 12em)
 #let rows(n) = {