[LTP] [PATCH v3] lib: tst_test: Add reproducible output.

[Petr Vorel]

Hi Cyril,

> This commit adds an environment variable LTP_REPRODUCIBLE_OUTPUT that
> when set to 1 or y skips printing parts of the test messages that may
> contain data that differ on subsequent runs (e.g. pids).

> With this you can run a test twice under a different conditions and
> check if the test codeflow was identical by simply doing diff of the
> outputs from the two runs.

Thanks for fixing n and 0 and updating the docs.

Tested-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr