Don't use sudo in python tests

[Sean Anderson]

On 10/22/22 08:04, Tom Rini wrote:
> On Sat, Oct 22, 2022 at 10:24:33AM +0200, Heinrich Schuchardt wrote:
>> Hello Simon,
>>
>> As described in doc/develop/py_testing.doc using sudo in python tests
>> should be avoided.
>>
>> * users building U-Boot may not be sudoers
>> * running code as sudo comes with a risk
>>
>> You added sudo in test/py/tests/test_ut.py
>>
>> Can we use virt-make-fs here?
> 
> Note that virt-make-fs is only suitable for trivial cases as it's
> otherwise too slow. This is possibly one of the cases where it's too
> slow.
> 

An easy way to do this is to use fuse2fs/fusefat.

--Sean