Develop SOP for managing test message bank

[jillian-hammer]

Problem statement

The message testing automation MVP will be ready to be used by RS engineers. The Tech Lead needs to provide some documentation on how to use the message bank tool.

What you need to know

• Doc: TBA

Open questions

• Does a version of the SOP already exist in the body of existing ticket?

Acceptance criteria

• [ ] SOP includes governance process for adding more test messages to the bank
• [ ] SOP includes naming convention
• [ ] SOP ready to be shared in training materials (#17550)