[LTP] [PATCH 2/2] tst_test.sh: Add public tst_test_root command

[Petr Vorel]

Hi Jörg,

> > You need to replace s/_tst_require_root/tst_test_root/ in other library files
> > (tst_net.sh, tst_security.sh).
> Sorry, did not expect functions with _ to be used in other files.
> I'll check it next time
No problem :). Yes, they cannot be used in tests. But new shell API library is spread in 3 files.
I added a patch to document library itself from developer perspective [1].

Kind regards,
Petr

[1] https://patchwork.ozlabs.org/patch/1166786/