better test coverage for new features #148

Job	Run time
documentation / script/docs-generate-licenses.py	58s
client/vscode (ubuntu-latest)	1m 58s
linting	2m 23s
client/vscode (windows-latest)	7m 20s
server (3.9, ubuntu-latest)	1m 15s
client/vscode (macos-13)	3m 29s
server (3.10, ubuntu-latest)	1m 10s
server (3.11, ubuntu-latest)	1m 11s
server (3.12, ubuntu-latest)	1m 37s
server (3.12, windows-latest)	2m 31s
server (3.12, macos-13)	2m 39s
releasable	5s
	26m 36s

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