Unit test #697

Job	Run time
test (1.0, ubuntu-latest, x64)	4m 19s
test (1.0, windows-latest, x64)	6m 7s
test (1.0, macOS-latest, x64)	4m 33s
test (1.6, ubuntu-latest, x64)	4m 4s
test (1.6, windows-latest, x64)	11m 41s
test (1.6, macOS-latest, x64)	4m 21s
test (1, ubuntu-latest, x64)	4m 1s
test (1, windows-latest, x64)	5m 10s
test (1, macOS-latest, x64)	4m 2s
test (nightly, ubuntu-latest, x64)	4m 0s
test (nightly, windows-latest, x64)	5m 31s
test (nightly, macOS-latest, x64)	4m 8s
test (ubuntu-latest, 1, x86)	4m 24s
	1h 6m 21s

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