[REQ] How about adding unit tests that use json schema test cases?

[spacether]

Is your feature request related to a problem? Please describe.

How about adding unit tests that use json schema test cases?

Describe the solution you'd like

Parse the json test case schemas and check that schema properties are set correctly.

openapi-version	json-schema-version	json schema tests
3.1.0	2020-12/draft-bhutton-json-schema-00	draft2020-12
3.0.3	Draft5/draft-wright-json-schema-00	None: Draft 5 wasn't an official release for JSON Schema. It was more of a trial. Publishing it was skipped as we took lessons learned into draft 6. per a comment in in json-schema Slack. If one wanted to one could use Draft6 tests with omissions

Describe alternatives you've considered

N/A

Additional context

This came up when I was working on these PRs:

• Adds openapi v3.0.3 unit test spec, includes test cases, autogenerates model tests with them OpenAPITools/openapi-generator#12619
• [python-experimental] turns on allOf unit test cases OpenAPITools/openapi-generator#12826

Which bring the json schema test cases into the openapi ecosystem and use them for testing.

Related Issues:

• Schema type incorrectly set when omitted and enums given #1761
• Schema type incorrectly set when omitted and items given #1763
• 3.1.0 info missing from schema with type unset and exclusiveMaximum/exclusiveMinimum set #1762
• 3.1.0 Boolean schemas are silently omitted or cause parsing errors #1770