test

feat: add --report-chars long option and its corresponding test #8076

Job	Run time
package	23s
build (windows-py310-unittest-twisted24)	1m 6s
build (windows-py310-xdist)	1m 7s
build (windows-py310-unittest-asynctest)	1m 5s
build (windows-py312)	1m 6s
build (windows-py310-pluggy)	1m 7s
build (windows-py311)	1m 3s
build (ubuntu-py310-unittest-asynctest)	53s
build (ubuntu-py310-unittest-twisted24)	5s
build (ubuntu-py310-lsof-numpy-pexpect)	1m 7s
build (windows-py313)	16s
build (ubuntu-py310-unittest-twisted25)	51s
build (ubuntu-py310-pluggy)	1m 8s
build (windows-py310-unittest-twisted25)	1m 6s
build (windows-py314)	1m 7s
build (ubuntu-py314)	1m 8s
build (ubuntu-py310-xdist)	1m 7s
build (ubuntu-py310-freeze)	48s
build (ubuntu-py311)	1m 7s
build (macos-py310)	2s
build (ubuntu-pypy3-xdist)	1m 9s
build (plugins)	58s
build (ubuntu-py312)	1m 8s
build (macos-py313)	1s
build (macos-py314)	56s
build (macos-py312)	1s
build (doctesting)	39s
build (ubuntu-py313-pexpect)	56s
check	3s
	23m 33s

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