Fix lint issues in file tests #16132

Job	Run time
Store event file	4s
go-mod	35s
golangci-lint	1m 50s
go-test-integration	36s
go-race	55s
go-test	3m 39s
golangci-lint-providers / lint	2m 20s
go-auto-approve	0s
	9m 59s

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