Test

Handle errors in `rack.after_reply` #664

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Run time

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Job	Run time
Ruby ruby-head	36s
Ruby 3.3	2m 16s
Ruby 3.2	2m 20s
Ruby 3.1	2m 16s
Ruby 3.0	2m 22s
Ruby 2.7	2m 33s
Ruby 2.6	2m 35s
	14m 58s