feat(pt): consistent fine-tuning with init-model #7988

Job	Run time
Test Python (1, 3.8)	11m 24s
Test Python (1, 3.11)	9m 52s
Test Python (2, 3.8)	10m 1s
Test Python (2, 3.11)	9m 3s
Test Python (3, 3.8)	10m 28s
Test Python (3, 3.11)	10m 8s
Test Python (4, 3.8)	10m 33s
Test Python (4, 3.11)	9m 26s
Test Python (5, 3.8)	10m 35s
Test Python (5, 3.11)	9m 47s
Test Python (6, 3.8)	10m 35s
Test Python (6, 3.11)	9m 30s
Combine and update integration test durations (3.8)	3s
Combine and update integration test durations (3.11)	3s
Pass testing Python	4s
	2h 1m 32s

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