[PATCH] test/py/tests/test_bootstage.py: Combine stash/unstash tests

[Love Kumar]

On 29/08/24 4:26 am, Tom Rini wrote:
> When running the bootstage tests currently we get a warning like:
> tests/test_bootstage.py::test_bootstage_stash
> ...PytestReturnNotNoneWarning: Expected None, but tests/test_bootstage.py::test_bootstage_stash returned (37748736, 4096), which will be an error in a future version of pytest.  Did you mean to use `assert` in stead of `return`?
> 
> This is because the unstash test will run the stash test and fetch the
> addr / size from that. Rework the test to be stash and unstash and then
> run the unstash command at the end of the current stash test.
> 
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
> It's possible we could solve this instead by getting addr / size again
> from our environment file, and then also noting that order-wise the
> unstash test follows the stash test. However, this felt more clean to
> me.

Agree with this approach.

Reviewed-by: Love Kumar <love.kumar at amd.com>

Regards,
Love Kumar