[Eno v3] Lunatic json comparison tests

[nsenave]

Json comparison for acceptance tests V2 vs V3

To reinforce Eno v3 test suite on the DDI to Lunatic transformation, it would be very helpful to implement a Json comparator to test differences between Eno v2 (expected Lunatic questionnaires) and Eno v3 outputs.

Ideas:

• https://www.baeldung.com/jackson-compare-two-json-objects
• https://docs.spring.io/spring-boot/docs/current/reference/html/features.html#features.testing.spring-boot-applications.json-tests
• https://www.baeldung.com/jsonassert

[nsenave]

• JsonAssert: https://zarinfam.medium.com/how-to-compare-two-json-structures-in-java-when-the-order-of-fields-keeps-changing-f844df37e45a

from @davdarras https://github.com/InseeFr/Eno/commit/81cb2c9b774ff15d682894370c97227f9dd69711 👍