* 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
* [kbn/dev-utils] target ES2019 to transpile ??
* Retry uiSettings.replace() calls up to 5 times
* share logic for selecting junit report name to ensure they are unique
* convert to junit report path helper
* refactor failed_tests_reporter to use TS, no octokit
* update renovate config
* ensure that all kbn-test files are in ts project
* fix some type errors
* add some more tests
* [kbn-test/githubapi] cleanup and document
* collect log messages as strings instead of message objects
* ensure issue is open when updating body
* improve readability of getKibanaIssues
* expose axios helpers from dev-utils
* fix request params for fetching github issues and validate locally
* include a README for failed_tests_reporter
* improve axios error helpers
* [devUtils/toolingLog] give tooling log configurable writers
* property shorthand
* remove redundant parameter
* call Error.captureStackTrace when subclassing Error
* describe why we skip stack trace logging for CliError
* always return true/false from log writers
* improve type definitions, writeTo is just an object with write method
* get rid of weird dedent for failures
* [tslint] lint typescript code
* [tslint] filter projects when running specific project
* [dev/ts] use more explicit types
* [dev/ts] add note about why using glob
* [dev/ts] rely on ts, use fewer getters