* convert mocha tests to jest

* jest 23

* add jest configs

* use material css

* fix windows

* forceExit jest test

* force exit eject

* test

* test

* retrigger test

* remove appveyor comment

* try to remove pretendToBeVisual option

* use jsdom env

* test environment

* no cache

* test no close

* bring back raf

* test revert all broken changes

* add back jsdom

* remove jsdom

* node test environment

* use latest change

* runInBand

* runInBand

* comment test run

* try different jest option

* standardize jest test options

* increase heap size

* remove heap size config

* support scoped packages for cra --scripts-version option

* upgrade jest version

* fix windows

* fix windows again

* jest 23.4.1

* babel-jest

* babel-jest

* split out kitchhensink

* travis node 6

* travis node 6 config

* node 6 travis eject

* cache yarn

* only cache yarn

* remove unrelate...