Ralf W. Grosse-Kunstleve 179a66f606 Add progress reporter for test_with_catch Catch runner ...

Introduce a custom Catch2 reporter for tests/test_with_catch that prints a
simple one-line status for each test case as it starts and ends, and wire the
cpptest CMake target to invoke test_with_catch with -r progress. This makes
it much easier to see where the embedded/interpreter test binary is spending
its time in CI logs, and in particular to pinpoint which test case is stuck
when the free-threading builds hang.

Compared to adding ad hoc timeouts around potentially infinite busy-wait
loops in individual tests, a progress reporter is a more general and robust
approach: it gives visibility into all tests (including future ones) without
changing their behavior, and turns otherwise opaque 90-minute timeouts into
locatable issues in the Catch output.

2025-12-13 19:08:49 -08:00

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