Tests

More efficient name-to-id translation (#555) #1626

Job	Run time
test (ruby=2.7)	1m 13s
test (ruby=2.7, concurrency=async-websocket)	1m 5s
test (ruby=3.0)	45s
test (ruby=3.1)	43s
test (ruby=3.2)	29s
test (ruby=ruby-head)	37s
test (ruby=3.3)	52s
test (ruby=3.4)	44s
test (ruby=jruby-head)	3m 5s
coveralls	3s
	9m 36s

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