tests

fix #475, spurious error messages are shown after recycling #1414

Job	Run time
tests-Windows-CLI (mingw64, x86_64, 3.8)	17m 27s
canceller	5s
tests-Windows-CLI (ucrt64, ucrt-x86_64, 3.8)	17m 18s
tests-Unix-CLI (ubuntu-20.04, 7, 3.8)	6m 10s
tests-Unix-GUI (ubuntu-20.04, 5.9.5, 7)	5m 11s
tests-Unix-CLI (ubuntu-20.04, 11, 3.9)	6m 32s
tests-Unix-GUI (ubuntu-20.04, 5.15.2, 11)	5m 56s
tests-Windows-GUI (mingw64, x86_64)	12m 59s
tests-Unix-CLI (macos-13, 3.9)	10m 39s
tests-Unix-GUI (ubuntu-22.04, 5.15.2, 12)	7m 9s
tests-windows-latest-pacman (mingw64, x86_64)	1m 33s
tests-Windows-GUI (ucrt64, ucrt-x86_64)	12m 49s
tests-Unix-CLI (macos-15, 3.9)	4m 52s
tests-Unix-GUI (ubuntu-22.04, 6.7.2, 12)	8m 1s
tests-windows-latest-pacman (ucrt64, ucrt-x86_64)	1m 29s
tests-Unix-GUI (macos-13, 5.15.2)	7m 21s
tests-Unix-GUI (macos-15, 6.7.2)	5m 1s
	2h 10m 32s

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