test

use Contextmanagers to handle StopIteration in generators #5888

Job	Run time
package	26s
build (windows-py39-unittestextras)	20m 14s
build (windows-py39-pluggy)	6m 59s
build (windows-py39-xdist)	6m 49s
build (windows-py310)	6m 59s
build (windows-py311)	17m 11s
build (windows-py312)	21m 23s
build (windows-py313)	17m 36s
build (ubuntu-py39-lsof-numpy-pexpect)	29m 25s
build (ubuntu-py39-pluggy)	5m 37s
build (ubuntu-py39-freeze)	51s
build (ubuntu-py39-xdist)	5m 16s
build (ubuntu-py310-xdist)	5m 52s
build (ubuntu-py311)	22m 28s
build (ubuntu-py312)	20m 57s
build (ubuntu-py313-pexpect)	18m 5s
build (ubuntu-pypy3-xdist)	7m 50s
build (macos-py39)	5m 54s
build (macos-py310)	3m 52s
build (macos-py312)	5m 30s
build (macos-py313)	4m 29s
build (doctesting)	45s
build (plugins)	58s
check	2s
	3h 55m 28s

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