test

Docs: clarify subtest output colors #8121

Job	Run time
package	30s
build (windows-py310-unittest-twisted25)	1m 34s
build (windows-py310-xdist)	3m 34s
build (windows-py310-unittest-asynctest)	1m 32s
build (windows-py314)	12m 28s
build (windows-py312)	7m 49s
build (ubuntu-py310-lsof-numpy-pexpect)	12m 22s
build (windows-py313)	6m 55s
build (windows-py311)	7m 48s
build (ubuntu-py310-unittest-twisted24)	52s
build (windows-py310-unittest-twisted24)	1m 26s
build (ubuntu-py310-freeze)	54s
build (ubuntu-py310-unittest-asynctest)	51s
build (ubuntu-py310-pluggy)	2m 5s
build (windows-py310-pluggy)	3m 25s
build (ubuntu-py310-unittest-twisted25)	48s
build (macos-py310)	2m 43s
build (ubuntu-py313-pexpect)	7m 51s
build (ubuntu-py310-xdist)	2m 8s
build (macos-py313)	2m 4s
build (ubuntu-py312)	7m 33s
build (ubuntu-py311)	6m 53s
build (ubuntu-py314)	7m 35s
build (plugins)	57s
build (macos-py312)	1m 58s
build (doctesting)	44s
build (macos-py314)	3m 2s
build (ubuntu-pypy3-xdist)	4m 13s
check	4s
	1h 52m 38s

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