fix(core): propagate meta properties into final TestResult

[codecov[bot]]

Codecov Report

Attention: 3 lines in your changes are missing coverage. Please review.

Comparison is base (a4ea2c1) 59.31% compared to head (15e6739) 59.30%.

Files	Patch %	Lines
...thon/execution/progress/PoolProgressAccumulator.kt	76.92%	0 Missing and 3 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #875 +/- ## ============================================= - Coverage 59.31% 59.30% -0.02% Complexity 798 798 ============================================= Files 214 214 Lines 4437 4443 +6 Branches 707 709 +2 ============================================= + Hits 2632 2635 +3 Misses 1476 1476 - Partials 329 332 +3 ```

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