Merge commit from fork #364

Job	Run time
Unit test (ubuntu-20.04, 2.1)	53s
Unit test (ubuntu-20.04, 2.2)	1m 5s
Unit test (ubuntu-20.04, 2.3)	1m 4s
Unit test (ubuntu-20.04, 2.4)	58s
Unit test (ubuntu-20.04, 2.5)	30s
Unit test (ubuntu-20.04, 2.6)	30s
Unit test (ubuntu-20.04, 2.7)	28s
Unit test (ubuntu-20.04, 3)	15s
Unit test (ubuntu-20.04, 3.1)	26s
Unit test (ubuntu-20.04, 3.2)	15s
Unit test (ubuntu-20.04, 3.3)	16s
Unit test (ubuntu-20.04, jruby-9.1)	59s
Unit test (ubuntu-20.04, jruby-9.2)	59s
Unit test (ubuntu-20.04, jruby-9.3)	47s
Unit test (ubuntu-20.04, jruby-9.4)	48s
Unit test (ubuntu-20.04, truffleruby)	1m 55s
Unit test (macos-latest, 2.6)	35s
Unit test (macos-latest, 2.7)	34s
Unit test (macos-latest, 3)	20s
Unit test (macos-latest, 3.1)	20s
Unit test (macos-latest, 3.2)	20s
Unit test (macos-latest, 3.3)	20s
Unit test (macos-latest, jruby-9.3)	35s
Unit test (macos-latest, jruby-9.4)	40s
Unit test (macos-latest, truffleruby)	1m 52s
Unit test (windows-latest, 2.2)	1m 37s
Unit test (windows-latest, 2.3)	1m 32s
Unit test (windows-latest, 2.4)	2m 35s
Unit test (windows-latest, 2.5)	1m 54s
Unit test (windows-latest, 2.6)	3m 49s
Unit test (windows-latest, 2.7)	3m 5s
Unit test (windows-latest, 3)	2m 13s
Unit test (windows-latest, 3.1)	1m 47s
Unit test (windows-latest, 3.2)	1m 27s
Unit test (windows-latest, 3.3)	3m 12s
finish	0s
	40m 55s

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