Test

fix: optimize dayOfWeek & dateFromEpoch routines in date #5138

Job	Run time
Check	5s
Coverage	3m 34s
Runtimes	37s
Loader	22s
Features	19s
Bootstrap (release)	2m 17s
Bootstrap (debug)	2m 1s
Compiler (ubuntu, node current)	1m 15s
Compiler (windows, node lts/*)	1m 13s
Compiler (windows, node current)	1m 7s
Compiler (ubuntu, node lts/*)	1m 14s
Compiler (macos, node lts/*)	1m 16s
Compiler (macos, node current)	59s
	16m 19s

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