The ProductUpgrade class depends on ProductSpec and it is not required by yast2.rpm itself, so I have decided to move it to the yast2-packager package.
Coverage decreased (-0.1%) to 41.017% when pulling e0a3c5ea584756e0f9c51366f099dc2bae4f577d on move-product-upgrade into b62de3a9df8cad737f2afc39fbe180a1d20a5135 on packager-ng.
ProductUpgrade
class depends onProductSpec
and it is not required by yast2.rpm itself, so I have decided to move it to theyast2-packager
package.