testing/tests/package/test_python: allow to change timeout

Depending on Python implementation used for testing, time it takes to
perform a given test can vary pretty significantly. To accout for that
allow individual test functions to specify different timeout value.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
1 file changed