Add bugfix with tests for `find_resource` #435

Job	Run time
unit_tests (3.7)	1m 3s
unit_tests (3.8)	1m 8s
unit_tests (3.9)	1m 12s
unit_tests (3.10)	1m 8s
unit_tests (3.11)	1m 8s
py_build_tests / relative_path_tests	7s
py_build_tests / py_build_tests	8s
	5m 54s

Provide feedback