Index: tests/var-access.test
===================================================================
diff -u -rbf363a408bfa522970f24b06967f2091604b6d02 -re3487a745ff8d03bff82959c8fb0852e9ae23b36
--- tests/var-access.test	(.../var-access.test)	(revision bf363a408bfa522970f24b06967f2091604b6d02)
+++ tests/var-access.test	(.../var-access.test)	(revision e3487a745ff8d03bff82959c8fb0852e9ae23b36)
@@ -55,6 +55,10 @@
   ? {nsf::var::unset o1 x} ""
   ? {nsf::var::exists o1 x} 0
   ? {nsf::var::exists -array o1 x} 0
+
+  # unset on an non-existing variable
+  ? {nsf::var::unset o1 x} {can't unset "x": no such variable}
+  ? {nsf::var::unset -nocomplain o1 x} ""
 }
 
 nx::Test parameter count 10000