[RFA] Fix regression in "commands"

[Tom Tromey]

>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:

Pedro> I wonder whether gdb.base/commands.exp is a better home for this.

That file has some tests of "commands" but also is a grab-bag of testing
random commands.  I don't think the name specifically has to do with the
"commands" command; so unless you feel strongly about it, I'll just
leave it in break.exp.

Tom