add `unitst_set_automatic_professions` #1757

Job	Run time
validate	17s
docs / Build linux64	1m 0s
test / Windows MSVC / Build win64	2m 57s
test / Linux gcc-10 / Build linux64	1m 4s
test / Linux gcc-12 / Build linux64	1m 21s
test / Run Linux test suite	0s
test / Run Linux test suite (gcc-12, all plugins)	0s
test / Run Windows test suite (empty config)	0s
test / Run Windows test suite	0s
	6m 39s

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