Unit test #633

Job	Run time
test (1.0, ubuntu-latest, x64)	5m 35s
test (1.0, windows-latest, x64)	7m 0s
test (1.0, macOS-latest, x64)	6m 57s
test (1.6, ubuntu-latest, x64)	6m 1s
test (1.6, windows-latest, x64)	10m 29s
test (1.6, macOS-latest, x64)	6m 15s
test (1, ubuntu-latest, x64)	5m 27s
test (1, windows-latest, x64)	6m 18s
test (1, macOS-latest, x64)	6m 26s
test (~1.10.0-0, ubuntu-latest, x64)	6m 44s
test (~1.10.0-0, windows-latest, x64)	6m 34s
test (~1.10.0-0, macOS-latest, x64)	6m 24s
test (nightly, ubuntu-latest, x64)	4m 53s
test (nightly, windows-latest, x64)	8m 22s
test (nightly, macOS-latest, x64)	7m 7s
test (ubuntu-latest, 1, x86)	7m 4s
	1h 47m 36s

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