Tests

[AndyRae]

Is this the right issue type?

• Yes, I'm planning work for this project team.

Summary

We have no tests in this repository, so changes will make us increasingly nervous.

At the very least, static linting to check YAML.

Secondary; actual end to end tests for the more complex workflows

Acceptance Criteria

• Static linting
• Self caller tests
• Tests pass.
• Documentation added.

Confirm creation

• Ready to create this feature?