Add tests for object releasing #865

Job	Run time
Test Imports	14s
Test Docs	29s
Test Linting	13s
Test Codegen	50s
Build wheels on ubuntu-latest	1m 8s
Test Examples	1m 11s
Test Linux py37	1m 17s
Build wheels on windows-latest	3m 17s
Test Linux py38	48s
Build wheels on macos-latest	1m 53s
Test Linux py39	46s
Test Linux py310	47s
Test PyInstaller	1m 32s
Test Linux py311	48s
Build sdist	37s
Publish to Github and Pypi	0s
	15m 50s

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