feat(pt): consistent fine-tuning with init-model #7876

Job	Run time
Test Python (1, 3.8)	10m 56s
Test Python (1, 3.11)	11m 29s
Test Python (2, 3.8)	10m 28s
Test Python (2, 3.11)	10m 56s
Test Python (3, 3.8)	9m 44s
Test Python (3, 3.11)	9m 14s
Test Python (4, 3.8)	11m 2s
Test Python (4, 3.11)	9m 51s
Test Python (5, 3.8)	10m 1s
Test Python (5, 3.11)	10m 1s
Test Python (6, 3.8)	9m 54s
Test Python (6, 3.11)	9m 35s
Combine and update integration test durations	0s
Pass testing Python	1s
	2h 3m 12s

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