* convert kbn test config into TS
* add test for Kibana embedded in iframe
* run embedded tests in functional suite
* ignore tls errors in functional tests by default
* switch test to https
* remove env vars mutation
* allow to pass ssl config to Kibana
* pass ssl config to axios
* adopt KbnClient interfaces
* adopt KibanaServer
* use KbnRequester in security service
* set sameSiteCookies:None in test
* acceptInsecureCerts in chrome
* remove leftovers
* fix type error
* remove unnecessary field
* address comments
* refactor plugin
* refactor test
* make acceptInsecureCerts configurable
* run firefox tests on ci
* up TS version
* fix firefox.sh script
* fix path
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>