________________________ entrypoint: test_set_opt_level ________________________

    def test_set_opt_level():
        conf = get_pypy_config()
        set_opt_level(conf, '0')
        assert conf.translation.gc == 'boehm'
        assert conf.translation.backendopt.none == True
        conf = get_pypy_config()
        set_opt_level(conf, '2')
        assert conf.translation.gc != 'boehm'
        assert not conf.translation.backendopt.none
        conf = get_pypy_config()
        set_opt_level(conf, 'mem')
E       assert conf.translation.gc == 'marksweep'
>       assert <pypy.config.config.Config object at 0x844e60c>.translation.gc == 'marksweep'

/home/arigo/autotest/pypy-dist/pypy/config/test/test_pypyoption.py:44: AssertionError
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