fixed warning int-in-bool-context in UT #243

Job	Run time
macos-gcc (9, ON, Xcode, 11)	9m 42s
macos-gcc (9, ON, Xcode, 17)	9m 33s
macos-gcc (9, ON, Ninja Multi-Config, 11)	8m 51s
macos-gcc (9, ON, Ninja Multi-Config, 17)	4m 48s
macos-gcc (9, OFF, Xcode, 11)	12m 47s
macos-gcc (9, OFF, Xcode, 17)	7m 56s
macos-gcc (9, OFF, Ninja Multi-Config, 11)	5m 48s
macos-gcc (9, OFF, Ninja Multi-Config, 17)	8m 33s
macos-gcc (11, ON, Xcode, 11)	8m 27s
macos-gcc (11, ON, Xcode, 17)	7m 29s
macos-gcc (11, ON, Ninja Multi-Config, 11)	6m 53s
macos-gcc (11, ON, Ninja Multi-Config, 17)	8m 5s
macos-gcc (11, OFF, Xcode, 11)	9m 48s
macos-gcc (11, OFF, Xcode, 17)	9m 1s
macos-gcc (11, OFF, Ninja Multi-Config, 11)	5m 31s
macos-gcc (11, OFF, Ninja Multi-Config, 17)	8m 22s
	2h 11m 34s

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