Tests

More efficient name-to-id translation #1625

Job	Run time
test (ruby=3.1)	21s
test (ruby=ruby-head)	18s
test (ruby=3.0)	24s
test (ruby=3.3)	24s
test (ruby=3.4)	22s
test (ruby=2.7, concurrency=async-websocket)	49s
test (ruby=3.2)	27s
test (ruby=jruby-head)	2m 44s
test (ruby=2.7)	37s
coveralls	3s
	6m 29s

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