Tests fail on node 18

[wmurphyrd]

Somehow, native fetch is being invoked in the jsonld document loader, bypassing mocks

(node:81130) ExperimentalWarning: The Fetch API is an experimental feature. This feature could change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
    jsonld context caching
      ✗ fetches and caches new contexts
        - jsonld.InvalidUrl: Dereferencing a URL did not result in a valid JSON-LD object. Possible causes are an inaccessible URL perhaps due to a same-origin policy (ensure the server uses CORS if you are using client-side JavaScript), too many redirects, a non-JSON response, or more than one HTTP Link Header was provided for a remote context.
      ✗ caches redirected contexts by original url
        - jsonld.InvalidUrl: Dereferencing a URL did not result in a valid JSON-LD object. Possible causes are an inaccessible URL perhaps due to a same-origin policy (ensure the server uses CORS if you are using client-side JavaScript), too many redirects, a non-JSON response, or more than one HTTP Link Header was provided for a remote context.

[aspalding]

nock issue for reference - nock/nock#2397

[santisbon]

@wmurphyrd the workaround of using node --no-experimental-fetch is not working for me. Am I doing something wrong?