fix: Adding integration test for stack `find_in_parent_folders` #1410

Job	Run time
Test (Tflint)	6m 37s
Test (Fixtures with Latest OSS Terraform)	8m 1s
Test (AWS Tofu)	12m 45s
Test (Fixtures with Latest Terraform)	10m 7s
Test (AWS with Latest OSS Terraform)	13m 27s
Test (SSH)	3m 21s
Test (SOPS)	5m 20s
Test (AWSGCP)	4m 54s
Test (AWS with Latest Terraform)	12m 43s
Test (Provider Cache Server with Tofu)	12m 33s
Test (Provider Cache Server with Latest Terraform)	8m 7s
Test (Fixtures with OpenTofu)	10m 47s
Test (Deprecated)	2m 59s
Test (Race)	5m 31s
Test (Mock)	3m 6s
Test (Windows)	7m 7s
Test (Engine)	3m 21s
Test (CAS)	9m 2s
Test (Provider Cache Dir with Tofu)	12m 43s
Test (Parse)	3m 24s
Test (GCP)	4m 29s
	2h 40m 24s

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