increase power-assert's maxDepth option to 3. (#740)
increase power-assert's maxDepth option to 3. (#740)

 Fixes #681
andywer/ava-ts,andywer/ava-ts,Collinslenjo/ava,avajs/ava,sindresorhus/ava,avajs/ava,Collinslenjo/ava,BarryThePenguin/ava