Index: tests/info-variable.test
===================================================================
diff -u -N -r2f921800dfd3c92bfa176f9d00f366bfc9341da1 -r1d2bdbea2141f159f982e8dde0f9b0a6778a8b71
--- tests/info-variable.test	(.../info-variable.test)	(revision 2f921800dfd3c92bfa176f9d00f366bfc9341da1)
+++ tests/info-variable.test	(.../info-variable.test)	(revision 1d2bdbea2141f159f982e8dde0f9b0a6778a8b71)
@@ -52,9 +52,9 @@
   #? {Person info parameter syntax -force:switch} "?-force?"
   #? {Person info parameter name "a b"} "a"
 
-  set emsg [string cat \
-                "wrong # of elements in parameter definition. " \
-                "Should be a list of 1 or 2 elements, but got: ''"]
+  set emsg [join [list \
+                      "wrong # of elements in parameter definition. " \
+                      "Should be a list of 1 or 2 elements, but got: ''"] ""]
 
   foreach subcmd {default syntax type list name} {
     ? [list nsf::parameter::info $subcmd ""] $emsg