[MIG] Update spec_driven_model/tests/fake_mixin.py
[MIG] Update spec_driven_model/tests/fake_mixin.py

Co-authored-by: Antônio Neto <75f6dc0731bea42dc7d2c6bfb60fb0ab7eefdf56@yahoo.com.br>
akretion/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil,akretion/l10n-brazil,OCA/l10n-brazil