Index: tests/accessor.test
===================================================================
diff -u -r6ad766595b0095a72fb7b3a1d6d34960a013b464 -r0a38046eb4aac6c36ac7c72dc8b0fe6da43f7c6e
--- tests/accessor.test	(.../accessor.test)	(revision 6ad766595b0095a72fb7b3a1d6d34960a013b464)
+++ tests/accessor.test	(.../accessor.test)	(revision 0a38046eb4aac6c36ac7c72dc8b0fe6da43f7c6e)
@@ -41,6 +41,11 @@
     ? {c1 p2a set 2} 2
     ? {c1 p2a unset} ""
     ? {c1 cget -p2a} {can't read "p2a": no such variable}
+puts stderr ====1
+    ? {c1 p2a unset} {can't unset "p2a": no such variable}
+puts stderr ====2
+    ? {c1 p2a unset -nocomplain} ""
+puts stderr ====3
 
     puts [C info method definition p2b]
     ? {c1 cget -p2b} 3