feat(pt): consistent fine-tuning with init-model #7660

Job	Run time
Test Python (1, 3.8)	12m 14s
Test Python (1, 3.11)	10m 25s
Test Python (2, 3.8)	11m 37s
Test Python (2, 3.11)	10m 31s
Test Python (3, 3.8)	9m 42s
Test Python (3, 3.11)	9m 6s
Test Python (4, 3.8)	9m 22s
Test Python (4, 3.11)	8m 28s
Test Python (5, 3.8)	10m 50s
Test Python (5, 3.11)	10m 13s
Test Python (6, 3.8)	10m 59s
Test Python (6, 3.11)	10m 49s
Combine and update integration test durations	0s
Pass testing Python	4s
	2h 4m 20s

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