E2.3.2 Add agreement tests #46

Part of: footer --check README.md ignores an org's footer: false unless --org is passed (E2.3).

Task

Add agreement tests

Subtasks

• exempt:footer, hold, watching and normal cases

Definition of done

• Tests added or updated and CI green
• Docs updated when the command surface or output changes
• No private registry data, local paths or private repository names in fixtures or docs