Chore: Add some scenario tests for Explore (#28534)
Chore: Add some scenario tests for Explore (#28534)

* Add tests for main scenarios

* Add tests for split

* Remove unnecessary code

* Fix opening datasource picker

* Mock missing function
grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana,grafana/grafana