test suite

Further improvement on typeguard_ignore() annotation #538

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Job	Run time
test (3.8)	27s
test (3.9)	28s
test (3.10)	28s
test (3.11)	27s
test (3.12)	38s
test (3.13)	37s
test (pypy-3.10)	43s
Finish Coveralls	5s
	3m 53s