Selenium/How-to/Run tests targeting local-charts

Follow instructions from Run tests targeting MediaWiki-Docker but instead of installing MediaWiki-Docker, install releng/local-charts.

The only other difference is MW_SERVER environment variable.

Environment variablesEdit

$ minikube service mediawiki-default
|-----------|-------------------|-------------|---------------------------|
| NAMESPACE |       NAME        | TARGET PORT |            URL            |
|-----------|-------------------|-------------|---------------------------|
| default   | mediawiki-default | http        | http://192.168.64.6:30000 |
|-----------|-------------------|-------------|---------------------------|
export MW_SERVER=http://192.168.64.6:30000