Correct `deduct` tests #371

Job	Run time
build-and-test (unordered_map, 12)	53m 23s
build-and-test (unordered_map_open, 12)	38m 46s
build-and-test (map, 12)	44m 19s
build-and-test (data_table_static, 12)	34m 48s
	2h 51m 16s

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