Add tests for object releasing (#403) #870

Job	Run time
Test Imports	24s
Test Codegen	38s
Test Linting	14s
Test Docs	25s
Build sdist	25s
Test Linux py37	1m 19s
Test Linux py38	1m 7s
Test Examples	1m 28s
Test PyInstaller	1m 17s
Test Linux py39	1m 55s
Build wheels on ubuntu-latest	1m 14s
Test Linux py310	48s
Build wheels on windows-latest	2m 51s
Test Linux py311	42s
Build wheels on macos-latest	5m 40s
Publish to Github and Pypi	0s
	20m 27s

Provide feedback