add ut for lammps atomic energy #1317

Job	Run time
Test Python (1, 3.9)	31m 20s
Test Python (1, 3.12)	41m 11s
Test Python (2, 3.9)	30m 49s
Test Python (2, 3.12)	39m 10s
Test Python (3, 3.9)	29m 56s
Test Python (3, 3.12)	40m 45s
Test Python (4, 3.9)	31m 50s
Test Python (4, 3.12)	39m 8s
Test Python (5, 3.9)	30m 9s
Test Python (5, 3.12)	40m 38s
Test Python (6, 3.9)	31m 14s
Test Python (6, 3.12)	41m 15s
Combine and update integration test durations (3.9)	57s
Combine and update integration test durations (3.12)	59s
Pass testing Python	2s
	7h 9m 23s

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