source location for samba test harnesses

[Martin Pool]

After talking to Tim, I wanted to start committing to HEAD some test
harnesses that will exercise internal bits of Samba, such as
StrCaseCmp to start with.  

These will be small C files that link to -lbigballofmud and allow
particular functions to be exercised from the command line, with a
view to eventually calling them from a Python testing framework.  They
compile to relatively small executables, and they won't be built by
default.

What is a good location for the source?  torture/ seems to be the
closest existing directory.

-- 
Martin