diff --git a/test/_data/navigation.yml b/test/_data/navigation.yml
index 97fe339e..608aeab7 100644
--- a/test/_data/navigation.yml
+++ b/test/_data/navigation.yml
@@ -14,40 +14,42 @@ sidebar-sample:
   - title: "Parent Page A"
     children:
       - title: "Child Page A1"
-        url: /
+        url: /child-page-a1/
       - title: "Child Page A2"
-        url: /
+        url: /child-page-a2/
       - title: "Child Page A3"
-        url: /
+        url: /child-page-a3/
       - title: "Child Page A4"
-        url: /
+        url: /child-page-a4/
   - title: "Parent Page B"
     children:
       - title: "Child Page B1"
-        url: /
+        url: /child-page-b1/
       - title: "Child Page B2"
-        url: /
+        url: /child-page-b2/
       - title: "Child Page B3"
-        url: /
+        url: /child-page-b3/
       - title: "Child Page B4"
-        url: /
+        url: /child-page-b4/
       - title: "Child Page B5"
-        url: /
+        url: /child-page-b5/
   - title: "Parent Page C"
     children:
       - title: "Child Page C1"
-        url: /
+        url: /child-page-c1/
       - title: "Child Page C2"
-        url: /
+        url: /child-page-c2/
       - title: "Child Page C3"
-        url: /
+        url: /child-page-c3/
       - title: "Child Page C4"
-        url: /
+        url: /child-page-c4/
       - title: "Child Page C5"
-        url: /
+        url: /child-page-c5/
   - title: "Parent Page D"
     children:
       - title: "Child Page D1"
-        url: /
+        url: /child-page-d1/
       - title: "Child Page D2"
-        url: /
\ No newline at end of file
+        url: /child-page-d2/
+      - title: "Child Page D3 (External)"
+        url: https://your-domain.com
\ No newline at end of file