Test

BUG: we should return on the pytest exitval #41

Job	Run time
Build static site with tox	41s
pixi on ubuntu-latest with py311	21s
Build static site with pixi	30s
pixi on ubuntu-latest with py312	24s
tox on ubuntu-latest with Python 3.12	50s
pixi on macos-latest with py311	30s
tox on macos-latest with Python 3.12	38s
pixi on macos-latest with py312	27s
tox on windows-latest with Python 3.12	1m 17s
pixi on windows-latest with py311	1m 44s
tox on ubuntu-latest with Python 3.11 and oldest versioned dependencies	34s
pixi on windows-latest with py312	1m 17s
tox on ubuntu-latest with Python 3.13 and developer versioned dependencies	55s
	10m 8s

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