# Test run: Core layer (0.core)

**Date:** 17-Dec-2025 19:40:56  
**Layer:** 0.core  
**Status:** 1 failed, 15 passed (historical run)

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## Summary

Core tests run; one failure in `TestXWSchemaBuilder.test_build_with_value_min` (TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType' at builder.py build_schema_dict). Remaining 15 tests passed.

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## Note

This run was captured from legacy runner output (runner_out.md). Current test runner writes to this folder with naming `TEST_<timestamp>_SUMMARY.md`. For latest runs use `python tests/runner.py`; see [REF_51_TEST.md](../../REF_51_TEST.md).

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*Value from logs/runner_out.md during docs archive migration (08-Feb-2026).*
