--- a/tests/test-rhg.t	Wed Sep 01 16:13:25 2021 +0200
+++ b/tests/test-rhg.t	Wed Sep 01 17:40:25 2021 +0200
@@ -199,6 +199,17 @@
   
   [252]
 
+Fallback with shell path segments
+  $ $NO_FALLBACK rhg cat .
+  unsupported feature: `..` or `.` path segment
+  [252]
+  $ $NO_FALLBACK rhg cat ..
+  unsupported feature: `..` or `.` path segment
+  [252]
+  $ $NO_FALLBACK rhg cat ../..
+  unsupported feature: `..` or `.` path segment
+  [252]
+
 Requirements
   $ $NO_FALLBACK rhg debugrequirements
   dotencode