Exhaustively test dataclass hashing when no hash= value is provided. This is in anticipation of changing how non-default hashing is handled. (GH-5834) (GH-5889)

(cherry picked from commit 718070db26b35da4aedc03088c58558a833ccf6e)

Co-authored-by: Eric V. Smith <ericvsmith@users.noreply.github.com>
1 file changed