Index: tests/shells.test
===================================================================
diff -u -r4a0eb5eeae386136555d77c233ad9f4a971d71f4 -r1d2bdbea2141f159f982e8dde0f9b0a6778a8b71
--- tests/shells.test	(.../shells.test)	(revision 4a0eb5eeae386136555d77c233ad9f4a971d71f4)
+++ tests/shells.test	(.../shells.test)	(revision 1d2bdbea2141f159f982e8dde0f9b0a6778a8b71)
@@ -87,7 +87,7 @@
   ? [list exec $nxsh -c << "catch {nx::Object eval {exit 1}}"] "child process exited abnormally"
 
   # just 8.6 or newer
-  if {[info command try] eq ""} return
+  if {[info command yield] eq ""} return
   ? [list exec $nxsh -c << [list nx::Object eval {try { exit 6 } \
                                                       on break {} {;} \
                                                       on return {} {;} \