Description of the Change

This change adds a way to add tests to Site Health Check and as well a test to check Elasticsearch connection.

Alternate Designs

Benefits

It's possible to check the status of the Elasticsearch connection on the Site Health page and new tests can be added.

Possible Drawbacks

Verification Process

This change can be tested by accessing the Site Health page under Tools menu.

Checklist:

• I have read the CONTRIBUTING document.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my change.
• All new and existing tests passed.

Applicable Issues

Closes: #1316

Changelog Entry

Added Elasticsearch connection check to Site Health page.