Merge pull request #136 from Earlopain/port-more-tests #840

Job	Run time
Ruby ruby-head / Rack ~> 3.1	2m 19s
Ruby 3.3 / Rack ~> 3.1	2m 10s
Ruby 3.2 / Rack ~> 3.1	2m 11s
Ruby 3.1 / Rack ~> 3.1	2m 20s
Ruby 3.0 / Rack ~> 3.1	2m 28s
Ruby 2.7 / Rack ~> 3.1	2m 33s
Ruby 2.6 / Rack ~> 3.1	2m 21s
Ruby 3.3 / Rack ~> 3.1 --enable-frozen-string-literal	2m 17s
Ruby 3.3 / Rack ~> 3.0.0	2m 15s
Ruby 3.3 / Rack ~> 2.0	2m 9s
	23m 3s

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