>     RootStore .trans(v, p, u) -> {v,r} should call a patch method and return its returned value
>   ․ RootStore .trans(v, p, u) -> {v,r} should call a patch method and return its returned value
>     RootStore .trans(v, p, u) -> {v,r} should apply the effect set internally
>   ․ RootStore .trans(v, p, u) -> {v,r} should apply the effect set internally
99c103
<   48 passing (83ms)
---
>   50 passing (83ms)