M365 Changelog: ‘Test-Message’ cmdlet is being temporarily disabled

MC318446 – Microsoft has determined that they need to make additional updates to the recently launched ‘Test-Message’ cmdlet and will disabling the feature whilst those updates are completed.
Microsoft will deliver a new Message Center post when these updates are complete and the ‘Test-Message’ cmdlet will be re-enabled.
Thank you for your patience while Microsoft makes the required updates.