Test

fix: optimize dayOfWeek & dateFromEpoch routines in date #5139

Job	Run time
Check	6s
Features	24s
Coverage	3m 57s
Bootstrap (debug)	3m 51s
Bootstrap (release)	4m 25s
Loader	23s
Runtimes	30s
Compiler (macos, node current)	1m 37s
Compiler (ubuntu, node current)	1m 42s
Compiler (windows, node lts/*)	1m 59s
Compiler (macos, node lts/*)	1m 8s
Compiler (ubuntu, node lts/*)	1m 26s
Compiler (windows, node current)	1m 48s
	23m 16s

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