We run the tests correctly, we just don't get individual test result
reporting. Borrow the code from python3-bcrypt to handle this correctly
and ensure the test pass/fail scores and individual test results are
reported in a format we can read.
(From OE-Core rev: 17b7dfc46f75f66854c1e540480ef19df6fc43a2)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>