@waflib.Configure.conf
def hwaf_utest_set_exit_code(bld, *k):
    lst = getattr(bld, 'hwaf_utest_results', [])
    if not lst:
        return

    msg = []
    for (f, code, out, err, exp_rc) in lst:
        if code != exp_rc:
            msg.append('=== %s === (err=%d expected=%d)' % (f,code, exp_rc))
            if out: msg.append('stdout:%s%s' % (os.linesep, out.decode('utf-8')))
            if err: msg.append('stderr:%s%s' % (os.linesep, err.decode('utf-8')))
            pass
        pass
    
    if msg: bld.fatal(os.linesep.join(msg))
    return
A small image is not scaled.
dataset/ETHPy150Open hwaf/hwaf/py-hwaftools/hwaf-rules.py/hwaf_utest_set_exit_code--crossover with--dataset/ETHPy150Open mozilla/kitsune/kitsune/upload/tests/test_tasks.py/ScaleDimensionsTestCase.test_small