Align Eden Treaty tests with Newman tests

[yamcodes]

Clear and concise description of the problem

Take the Eden Treaty tests and make them aligned/consistent with the Newman tests.

Suggested solution

We can see the elysia-prisma-realworld-example for a good implementation.

Alternative

No response

Additional context

No response

Validations

• Read the Contributing Guide.
• Read the README.md.
• Check that there isn't already an issue that requests the same feature.