Add tests for object releasing #866

Job	Run time
Test Linting	24s
Test Codegen	57s
Test Imports	13s
Test Docs	35s
Test Examples	1m 7s
Test PyInstaller	1m 38s
Build wheels on ubuntu-latest	1m 5s
Build wheels on windows-latest	3m 16s
Build wheels on macos-latest	2m 2s
Build sdist	26s
Test Linux py37	50s
Test Linux py38	1m 26s
Test Linux py39	57s
Test Linux py310	49s
Test Linux py311	1m 0s
Publish to Github and Pypi	0s
	16m 45s

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