* move test_helpers to the core

* create base tsconfig

* all tsconfigs use the base one

* use test_helpers exposed from the src/core

* move getFieldFormatsRegistry to data plugin

* add test_utils project

* compile types after checkout

* add a stub for platform tsconfig.json

* fix broken import

* fix broken path to the base config

* set tsBuildInfoFile for project without outDir

* do not commit tsbuildinfo file

* do not check output d.ts files

* fix type error

* use separate config to build types

* rollback changes to include paths

* mute import zone error

* rename files to avoid references to tsd

* do not use tsd for type tests

* include all ts files in project

* run buildRefs before type check to ensure the latest version

* store tsbuildinfo locally

* update paths to base config

* comment out core/tsconfig.json

* remove ui path

* fix wrong tsbuildinfo path