test(rsc): debug flaky #188

Job	Run time
test	28s
test-rsc (ubuntu-latest / firefox)	2m 5s
test-rsc (windows-latest / chromium)	4m 56s
test-rsc (macos-latest / chromium)	1m 32s
test-rsc (ubuntu-latest / chromium)	1m 30s
test-rsc (macos-latest / webkit)	2m 34s
test-rsc (ubuntu-latest / chromium) (rolldown)	1m 46s
	14m 51s

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