Tests

file upload v2 #1304

Job	Run time
test (ruby=2.7)	18s
test (ruby=2.7, concurrency=async-websocket)	18s
test (ruby=3.0)	18s
test (ruby=3.1)	16s
test (ruby=3.2)	16s
test (ruby=3.3)	15s
test (ruby=ruby-head)	17s
test (ruby=jruby-head)	16s
coveralls	0s
	2m 14s

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