feat: add flag to execute filetests with prefix #7674

Job	Run time
Run Main (autocounterd) / Go Build / generated	6s
Run Main (autocounterd) / Go Linter / lint	30s
Run Main (autocounterd) / Go Test / test	33s
Run Main (docker-integration) / Go Linter / lint	6s
Run Main (docker-integration) / Go Test / test	14s
Run Main (docker-integration) / Go Build / generated	3s
Run Main (genproto) / Go Build / generated	9s
Run Main (genproto) / Go Linter / lint	31s
Run Main (genproto) / Go Test / test	38s
Run Main (genstd) / Go Build / generated	11s
Run Main (genstd) / Go Linter / lint	19s
Run Main (genstd) / Go Test / test	23s
Run Main (goscan) / Go Build / generated	6s
Run Main (goscan) / Go Linter / lint	13s
Run Main (goscan) / Go Test / test	15s
Run Main (logos) / Go Build / generated	4s
Run Main (logos) / Go Test / test	54s
Run Main (logos) / Go Linter / lint	19s
Run Main (loop) / Go Linter / lint	34s
Run Main (loop) / Go Build / generated	7s
Run Main (loop) / Go Test / test	48s
	7m 3s

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