Add ecdsa-sd-2023 issuer proofValue & invalid proof.created test (B -> A)

[aljones15]

Features:

1. Adds an issuer based proofValue check for sd (this is an older test from sd-create).
2. Adds a file for algorithms-sd to tests dir
3. Adds a proof config invalid created verifier test
4. Merges into the ecdsa-sd-2023 Algorithms PR
5. Corrects an issue with skipMessage
6. Uses a newer setup file
7. Adds a non-existent mandatory pointer negative test

This PR should be merged into the SD Algorithms PR.

[BigBlueHat]

@aljones15 can you reword the commit subject from
assertIssuer added to issuer tests.
to Add assertIssuer to issuer tests.? Trying to follow the verb/action first pattern. Sorry for the nit.