test

bootstrap example (#1013) #587

Job	Run time
build (3.1, ubuntu-latest, spec)	1m 28s
build (3.2, ubuntu-latest, spec)	3m 34s
build (3.1, windows-latest, spec)	5m 21s
build (3.4, ubuntu-latest, spec)	3m 5s
build (3.3, ubuntu-latest, spec)	3m 7s
build (3.3, windows-latest, spec)	14m 3s
build (3.2, windows-latest, spec)	15m 32s
build (3.4, windows-latest, spec)	7m 18s
build (head, windows-latest, spec)	1m 39s
build (head, ubuntu-latest, spec)	23s
build (jruby-head, windows-latest, spec)	1m 51s
build (jruby-head, ubuntu-latest, spec)	12m 29s
build (3.1, ubuntu-latest, rubocop)	21s
	1h 10m 11s

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