These are the tests for the [Compression Dictionary Transport](https://datatracker.ietf.org/doc/draft-ietf-httpbis-compression-dictionary/) standard (currently in IETF draft state, approved for publication). The tests are marked as tentative, pending the publication of the RFC.

The MDN reference is [here](https://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/Compression_dictionary_transport).