Format code

Author: hczhu-db

cmd/thanos/main_test.go

@@ -22,7 +22,6 @@ import (
 
 	"github.com/efficientgo/core/testutil"
 
-
 	"github.com/thanos-io/thanos/pkg/block"
 	"github.com/thanos-io/thanos/pkg/block/metadata"
 	"github.com/thanos-io/thanos/pkg/compact/downsample"