Use the test-unit-ruby-core gem for Test::Unit::CoreAssertions #839

Job	Run time
openssl-1.0.2u	3m 55s
openssl-1.1.0l	2m 34s
openssl-1.1.1v	3m 20s
openssl-3.0.10	5m 8s
openssl-3.1.2	4m 32s
libressl-3.1.5	2m 55s
libressl-3.2.7	3m 21s
libressl-3.3.6	3m 6s
libressl-3.4.3	3m 37s
libressl-3.5.3	3m 57s
libressl-3.6.3	3m 17s
libressl-3.7.3	3m 4s
libressl-3.8.0	3m 17s
openssl-3.0.10 fips	4m 13s
openssl-3.1.2 fips	4m 36s
openssl-head	5m 37s
openssl-head fips	6m 31s
ruby-versions / Generate Ruby versions	1s
ubuntu-22.04 2.7	1m 9s
ubuntu-22.04 3.0	1m 13s
ubuntu-22.04 3.1	1m 11s
ubuntu-22.04 3.2	1m 11s
ubuntu-22.04 head	1m 22s
ubuntu-22.04 truffleruby	1m 41s
ubuntu-22.04 truffleruby-head	2m 2s
ubuntu-20.04 2.7	1m 10s
ubuntu-20.04 3.0	1m 7s
ubuntu-20.04 3.1	1m 6s
ubuntu-20.04 3.2	1m 5s
ubuntu-20.04 head	1m 13s
ubuntu-20.04 truffleruby-head	2m 6s
macos-latest 2.7	1m 54s
macos-latest 3.0	1m 22s
macos-latest 3.1	1m 54s
macos-latest 3.2	1m 30s
macos-latest head	1m 20s
macos-latest truffleruby-head	4m 9s
windows-latest 2.7	8m 15s
windows-latest 3.0	5m 38s
windows-latest 3.1	5m 57s
windows-latest 3.2	5m 13s
windows-latest ucrt	5m 39s
windows-latest mswin	3m 38s
	2h 11m 6s

Provide feedback