Add a blank line in a test so that gofmt won't break the magic comment's location.
diff --git a/testdata/blank-import-lib.go b/testdata/blank-import-lib.go
index edac0d7..b3da02c 100644
--- a/testdata/blank-import-lib.go
+++ b/testdata/blank-import-lib.go
@@ -10,6 +10,7 @@
 
 import (
 	"fmt"
+
 	/* MATCH /blank import/ */ _ "os"
 
 	/* MATCH /blank import/ */ _ "net/http"