tools/ut: accelerate the build process and scatter test (#8342) #20745

Job	Run time
chunks (1, Unit Test(1))	5m 14s
chunks (1, Unit Test(1))	5m 14s
chunks (1, Unit Test(1))	5m 14s
chunks (2, Unit Test(2))	3m 45s
chunks (2, Unit Test(2))	3m 45s
chunks (2, Unit Test(2))	3m 45s
chunks (3, Unit Test(3))	5m 4s
chunks (3, Unit Test(3))	5m 4s
chunks (3, Unit Test(3))	5m 4s
chunks (4, Tests(1))	5m 15s
chunks (4, Tests(1))	5m 15s
chunks (4, Tests(1))	5m 15s
chunks (5, Tests(2))	4m 53s
chunks (5, Tests(2))	4m 53s
chunks (5, Tests(2))	4m 53s
chunks (6, Tools Test)	5m 44s
chunks (6, Tools Test)	5m 54s
chunks (6, Tools Test)	5m 54s
chunks (7, Client Integration Test)	4m 34s
chunks (7, Client Integration Test)	4m 34s
chunks (7, Client Integration Test)	4m 34s
chunks (8, TSO Integration Test)	4m 41s
chunks (8, TSO Integration Test)	4m 41s
chunks (8, TSO Integration Test)	4m 41s
chunks (9, MicroService Integration(!TSO))	4m 4s
chunks (9, MicroService Integration(!TSO))	4m 4s
chunks (9, MicroService Integration(!TSO))	4m 4s
chunks (10, MicroService Integration(TSO))	5m 52s
chunks (10, MicroService Integration(TSO))	5m 10s
chunks (10, MicroService Integration(TSO))	5m 10s
report-coverage	0s
report-coverage	1s
report-coverage	14s
	2h 26m 29s

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