Fix FIXME. #9619

Job	Run time
MacOS (macOS-15)	23m 56s
Windows (installer, arm)	24m 35s
MacOS (macOS-15-intel)	52m 28s
Windows (installer, intel)	21m 54s
Windows (check, arm)	55m 12s
Windows (check, intel)	54m 15s
Linux (gcc, debian:stable, intel)	32m 8s
Linux (clang, debian:stable, arm)	32m 37s
Linux (clang, debian:testing, intel)	31m 49s
Linux (gcc, debian:stable, arm)	33m 51s
Linux (clang, debian:testing, arm)	32m 34s
Linux (clang, debian:stable, intel)	33m 50s
Linux (gcc, debian:testing, arm)	31m 25s
Linux (gcc, debian:testing, intel)	34m 49s
	8h 15m 23s

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