$ npm install @isaacs/testing-peer-optional-conflict-f
root -> (x, z@1) x -> PEEROPTIONAL(y) PEER(z@1) PEER(w@1) w -> PEER(z@1) y -> PEER(z@2)
npm/arborist#223
npm/arborist#236
The same as case E, but with the addition of a x->w->z peerDep chain.
x->w->z