def METHOD_NAME():
    ret = _call(('bash', '-c', 'echo STDOUT; (exec >&2 ; echo STDERR); exit 42',))
    assert isinstance(ret['exit_code'], int)
    assert ret['exit_code'] == 42
    assert isinstance(ret['pid'], int)
    assert ret['pid'] > 0
    assert ret['stdout'] == 'STDOUT\n'
    assert ret['stderr'] == 'STDERR\n'
    assert isinstance(ret['signal'], int)
    assert ret['signal'] == 0