update a test following revision 13220


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13221 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/gdbserver_tests/mchelp.stdoutB.exp b/gdbserver_tests/mchelp.stdoutB.exp
index 32f9ff7..e118ef5 100644
--- a/gdbserver_tests/mchelp.stdoutB.exp
+++ b/gdbserver_tests/mchelp.stdoutB.exp
@@ -55,6 +55,7 @@
   v.info gdbserver_status : show gdbserver status
   v.info memory [aspacemgr] : show valgrind heap memory stats
      (with aspacemgr arg, also shows valgrind segments on log ouput)
+  v.info exectxt          : show stacktraces and stats of all execontexts
   v.info scheduler        : show valgrind thread state and stacktrace
   v.set debuglog <level>  : set valgrind debug log level to <level>
   v.translate <addr> [<traceflags>]  : debug translation of <addr> with <traceflags>