Weird results in attributes with patching Childs

[viggo-devries]

Parent product has only attribute A filled Child product has only attribute B filled

When patching the child product (does not matter what you change) The attribute value from A will also be saved on the child product.

parent:

child before patching:

child after patching and only changing the title:

[maerteijn]

@viggo-devries Any chance you could add a test which “proves” the wrong behaviour?

[specialunderwear]

This was proven in #299

[specialunderwear]

The issue was fixed in oscar, as shown by these tests passing