Add meta config to test log messages

[tomwphillips]

Resolves #10811

Problem

Structured log messages relating to tests are missing meta config from the corresponding model.

Solution

Extract the meta field in the schema generic test parser.

Checklist

• I have read the contributing guide and understand what's expected of me.
• I have run this code in development, and it appears to resolve the stated issue.
• This PR includes tests, or tests are not required or relevant for this PR.
• This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• This PR includes type annotations for new and modified functions.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.14%. Comparing base (3ac20ce) to head (b1ae003).
Report is 29 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10812      +/-   ##
==========================================
+ Coverage   88.96%   89.14%   +0.18%     
==========================================
  Files         181      183       +2     
  Lines       23046    23402     +356     
==========================================
+ Hits        20503    20862     +359     
+ Misses       2543     2540       -3     

Flag	Coverage Δ
integration	86.36% <ø> (+0.21%)	⬆️
unit	62.11% <ø> (-0.21%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Components	Coverage Δ
Unit Tests	62.11% <ø> (-0.21%)	⬇️
Integration Tests	86.36% <ø> (+0.21%)	⬆️