test

Handle nested timeout calls with the same duration #298

Job	Run time
ruby-versions / Generate Ruby versions	4s
build (2.7 / ubuntu-latest)	29s
build (3.0 / macos-latest)	41s
build (3.3 / ubuntu-latest)	11s
build (3.3 / macos-latest)	14s
build (3.2 / windows-latest)	1m 30s
build (3.0 / ubuntu-latest)	10s
build (3.2 / ubuntu-latest)	12s
build (3.1 / ubuntu-latest)	9s
build (2.6 / macos-latest)	37s
build (3.1 / windows-latest)	1m 8s
build (2.6 / windows-latest)	1m 28s
build (2.6 / ubuntu-latest)	28s
build (3.0 / windows-latest)	1m 4s
build (head / windows-latest)	58s
build (3.1 / macos-latest)	16s
build (3.4 / ubuntu-latest)	13s
build (2.7 / windows-latest)	1m 36s
build (head / ubuntu-latest)	10s
build (truffleruby-head / ubuntu-latest)	30s
build (3.4 / macos-latest)	18s
build (truffleruby-head / macos-latest)	31s
build (truffleruby / ubuntu-latest)	24s
build (3.3 / windows-latest)	58s
build (truffleruby / macos-latest)	43s
build (3.4 / windows-latest)	1m 4s
build (2.7 / macos-latest)	36s
build (3.2 / macos-latest)	12s
build (head / macos-latest)	16s
	17m 10s

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