[Backport 1.7.latest] Add test and move semantics. #7609

Job	Run time
code-quality	1m 19s
build packages	14s
unit test / python 3.8	1m 37s
unit test / python 3.9	1m 0s
unit test / python 3.10	1m 11s
unit test / python 3.11	1m 10s
verify packages / python 3.8 / ubuntu-latest	40s
verify packages / python 3.9 / ubuntu-latest	39s
verify packages / python 3.10 / ubuntu-latest	41s
verify packages / python 3.11 / ubuntu-latest	37s
verify packages / python 3.8 / macos-latest	59s
verify packages / python 3.9 / macos-latest	1m 47s
verify packages / python 3.10 / macos-latest	52s
verify packages / python 3.11 / macos-latest	1m 14s
verify packages / python 3.8 / windows-latest	1m 56s
verify packages / python 3.9 / windows-latest	1m 40s
verify packages / python 3.10 / windows-latest	2m 14s
verify packages / python 3.11 / windows-latest	2m 19s
	22m 9s

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