Tests

perf(runner): unset each file's test functions after processing #2591

Job	Run time
Windows - functional	25s
Ubuntu - strict	50s
Ubuntu - Japanese Locale	2m 5s
Ubuntu - Brazilian Locale	2m 3s
Ubuntu - parallel extended	50s
Ubuntu - make test	2m 6s
Windows - unit d-g	36s
Windows - unit r-z	49s
Ubuntu - Spanish Locale	2m 7s
Ubuntu - simple	1m 55s
Ubuntu - parallel simple	48s
Alpine - parallel extended	52s
macOS - unit d-g	10s
macOS - unit a-b	11s
Alpine - parallel simple	45s
Windows - unit a-b	40s
Windows - unit c + coverage	53s
Windows - unit h-p	35s
macOS - unit c + coverage	16s
macOS - unit h-p	11s
macOS - functional	10s
macOS - unit q-z	13s
Alpine - sequential	1m 47s
windows-acceptance (${{ matrix.name }})	-1s
macOS - acceptance (${{ matrix.name }})	-10s
	21m 6s

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