Integrate https://github.com/json-schema-org/JSON-Schema-Test-Suite tests run by one of the rust validators ([valico](https://github.com/rustless/valico/), [jsonschema-valid](https://github.com/mdboom/jsonschema-valid) or [jsonschema](https://github.com/Stranger6667/jsonschema-rs)) before and after optimisation to ensure that we're not altering the schema.
Integrate https://github.com/json-schema-org/JSON-Schema-Test-Suite tests run by one of the rust validators (valico, jsonschema-valid or jsonschema) before and after optimisation to ensure that we're not altering the schema.