$ pdm test -k i2c
.............../home/whitequark/Projects/glasgow/software/.venv/lib/python3.13/site-packages/amaranth/sim/core.py:195: DeprecationWarning: Generator-based testbenches are deprecated per RFC 36. Use async testbenches instead.
  warnings.warn(
.........................
----------------------------------------------------------------------
Ran 40 tests in 46.294s

OK