Add an integration test for singlesig vLEI issuance

[nkongsuwan]

An integration test for issuance of all types of vLEI credentials, including both issuance of ECR directly from LE and from ECR AUTH.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (faeebad) 81.43% compared to head (c91be0b) 81.43%.
Report is 5 commits behind head on development.

Additional details and impacted files

@@             Coverage Diff              @@
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  Coverage        81.43%   81.43%           
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  Files               46       46           
  Lines             4143     4143           
  Branches          1031     1031           
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  Hits              3374     3374           
  Misses             737      737           
  Partials            32       32           

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[pfeairheller]

Minor update and we can merge this in.

[nkongsuwan]

@pfeairheller I have changed the test's name to singlesig-vlei-issuance, and it passes the local test on my laptop using the lastest commits in KERIA. However, multisig.test.ts is failing at the moment which, I think, is unrelated to this test script.

Note: I tried running multisig.test.ts locally as well and it works. No idea why it fails the automatic test on Github.

[pfeairheller]

Great, thank you for this test.