Fix test-processors type-hints #1040

Job	Run time
linters (3.9, ubuntu-latest)	57s
Testing on Python 3.8 (ubuntu-latest)	1m 0s
Testing on Python 3.8 (macos-13)	2m 4s
Testing on Python 3.8 (windows-2019)	3m 5s
Testing on Python 3.9 (ubuntu-latest)	53s
Testing on Python 3.9 (macos-13)	1m 22s
Testing on Python 3.9 (windows-2019)	2m 7s
Testing on Python 3.10 (ubuntu-latest)	55s
Testing on Python 3.10 (macos-13)	1m 54s
Testing on Python 3.10 (windows-2019)	2m 55s
Testing on Python 3.11 (ubuntu-latest)	54s
Testing on Python 3.11 (macos-13)	1m 44s
Testing on Python 3.11 (windows-2019)	2m 58s
Testing on Python 3.12 (ubuntu-latest)	1m 1s
Testing on Python 3.12 (macos-13)	2m 20s
Testing on Python 3.12 (windows-2019)	3m 56s
	30m 5s

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