* skip and adjust functional tests for Firefox
* downgrade geckodriver to 0.22.0
* [ftr] add firefox specific config file
* remove hard coded firefox adjustments
* remove firefox specific screenshot directory
* run functional tests in firefox in x-pack
* pass the logger to readConfigFile()
* rename local var
* skip xpack firefox config
* run xpack firefox functional tests in separate command
* update report name for XPack firefox results
* adjust viz shared item test
* skip shared item test
* [test/feature_controls] increase timeout to 20 sec & use forceLogout
* FF timeout on TSVB, refresh page on failure for url navigation
* [feature_controls/visualize_security] increase timeout to 20 sec
* skip dev_tools_spaces tests on FF
* run all groups 3 times
* skip more func tests
* skip more tests
* skip all feature controls tests for Firefox
* revert back changes in feature controls tests
* rename xpack report for chrome
* skip tile map for FF, wait for render before saving
* Revert "run all groups 3 times"
This reverts commit 12b4f69627.
* revert refresh on login
* apply feedback
* [ci/es] base default es version on pkg.branch value
* [ci/env] initialize $TEST_ES_FROM in checkout_sibling_es.sh
* [UA] remove TEST_ES_SNAPSHOT_VERSION override
* [ci/es] call checkout_sibling_es.sh from one location
* [ci] remove unused `--from` param
* [ci/env] always default to snapshots, switch to source when necessary
* [kbn/test] default esFrom to $TEST_ES_FROM
* [ci/setup] fix define order
* [ci/grunt] don't pass --esFrom let env pass through
* [ci/env] use branch, not version
* [ci] use same indent style as following lines
* [kbn/test] apply default values when processing args
* [kbn/test] simplify defaults, read default on each process
* [ci][ftr][kbn/test] split up CI jobs
* [ci] run --assert-none-excluded in ci groups, before builds
* [ftr] improve error message when excluded tests found
* [ci] document other places the ciGroups live
