By “each project” do you mean for each meteor project you create? Or do you mean “do need to create a mock for each meteor package that you test in a given project?”
if (a): I have not dug that deeply in yet to find a work around there. At this point I’ve just added this default setup to my boilerplate that I use
if (b): from what I understand, yes, but this is not something I’ve dug that deeply into.