Add JCasC, local data and JobDSL tests

[jonesbusy]

Add JCasC and data tests. Worth before #262 so see if any migration needed or if we can play with multiple symbols

Testing done

Tests only

Submitter checklist

Beta Give feedback

1. Make sure you are opening from a topic/feature/bugfix branch (right side) and not your main branch!
2. Ensure that the pull request title represents the desired changelog entry
3. Please describe what you did
4. Link to relevant issues in GitHub or Jira
5. Link to relevant pull requests, esp. upstream and downstream changes
6. Ensure you have provided tests - that demonstrates feature works or fixes the issue

[jonesbusy]

Tags to add "tests". No need any release for this