Fix property test for normalise #203

Job	Run time
i386	6m 13s
arm (arm32v7)	4m 23s
arm (arm64v8)	3m 34s
darwin_arm (self-hosted, macOS, ARM64, 8.10.7)	26m 25s
build (ubuntu-latest, 8.0.2, 3.8.1.0)	21m 15s
darwin_arm (self-hosted, macOS, ARM64, 9.2.6)	22m 37s
build (ubuntu-latest, 8.2.2, 3.8.1.0)	7m 38s
darwin_arm (self-hosted, macOS, ARM64, 9.4.4)	31m 54s
build (ubuntu-latest, 8.4.4, 3.8.1.0)	6m 49s
build (ubuntu-latest, 8.6.5, 3.8.1.0)	6m 51s
build (ubuntu-latest, 8.8.4, 3.8.1.0)	6m 49s
build (ubuntu-latest, 8.10.7, 3.8.1.0)	6m 47s
build (ubuntu-latest, 9.0.2, 3.8.1.0)	10m 6s
build (ubuntu-latest, 9.2.7, 3.8.1.0)	5m 42s
build (ubuntu-latest, 9.4.5, 3.8.1.0)	6m 29s
build (ubuntu-latest, 9.6.1, 3.8.1.0)	7m 31s
build (macOS-latest, 9.4.5, 3.8.1.0)	33m 11s
build (macOS-latest, 9.6.1, 3.8.1.0)	24m 52s
build (windows-latest, 9.4.5, 3.8.1.0)	19m 0s
build (windows-latest, 9.6.1, 3.8.1.0)	18m 6s
	4h 36m 12s

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