Add a test_upgrade_from between packaging v1 and v2

[Salamandar]

Problem

• Description of why you made this PR

Solution

• And how do you fix that problem

PR Status

• [ ] Code finished and ready to be reviewed/tested
• [ ] The fix/enhancement were manually tested (if applicable)

Automatic tests

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[Salamandar]

!testme

[yunohost-bot]

:rocket:

[OniriCorpe]

Can we merge?