Fix some tests that should have stayed ES5 #35227

Job	Run time
misc	27s
typecheck	41s
smoke	55s
knip	36s
browser-integration	1m 26s
coverage	11m 0s
package-size	1m 33s
format	31s
lint	1m 2s
baselines	8m 58s
self-check	59s
Test Node 24 on ubuntu-latest	8m 35s
Test Node 22 on windows-latest	12m 20s
Test Node 20 on ubuntu-latest	10m 37s
Test Node 22 on ubuntu-latest	10m 1s
Test Node 24 on windows-latest	10m 44s
Test Node 24 on macos-latest	13m 51s
Test Node 16 on macos-latest	17m 2s
Test Node 18 on windows-latest	14m 6s
Test Node 14 on windows-latest	14m 32s
Test Node 14 on ubuntu-latest	12m 5s
Test Node 16 on ubuntu-latest	11m 41s
Test Node lts/* on ubuntu-latest with --no-bundle	10m 50s
Test Node 18 on ubuntu-latest	11m 30s
Test Node 20 on windows-latest	13m 20s
Test Node 16 on windows-latest	14m 20s
required	4s
	3h 33m 46s

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