Refactor/rubocop autofixes #1424

Job	Run time
test (ubuntu-latest, 2.7)	1m 14s
test (ubuntu-latest, 3.0)	1m 5s
test (ubuntu-latest, 3.1)	1m 24s
test (ubuntu-latest, 3.2)	1m 21s
test (macos-latest, 2.7)	2m 37s
test (macos-latest, 3.0)	1m 59s
test (macos-latest, 3.1)	3m 41s
test (macos-latest, 3.2)	3m 50s
test (windows-latest, 2.7)	5m 31s
test (windows-latest, 3.0)	5m 40s
test (windows-latest, 3.1)	6m 10s
test (windows-latest, 3.2)	6m 15s
test (ubuntu-latest, jruby-9.4)	12m 7s
test (ubuntu-latest, truffleruby-head)	9m 54s
	1h 2m 48s

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