diff -up goamz-2731d20f46f42449a49b3464271c5fba8da60ed6/s3/s3i_test.go.fix_Fatalf goamz-2731d20f46f42449a49b3464271c5fba8da60ed6/s3/s3i_test.go
--- goamz-2731d20f46f42449a49b3464271c5fba8da60ed6/s3/s3i_test.go.fix_Fatalf	2017-08-25 17:48:02.000000000 +0200
+++ goamz-2731d20f46f42449a49b3464271c5fba8da60ed6/s3/s3i_test.go	2019-05-23 21:22:18.339791928 +0200
@@ -502,7 +502,7 @@ func (s *ClientTests) TestMultiComplete(
 	c.Assert(len(data), check.Equals, len(data1)+len(data2))
 	for i := range data1 {
 		if data[i] != data1[i] {
-			c.Fatalf("uploaded object at byte %d: want %d, got %d", data1[i], data[i])
+			c.Fatalf("uploaded object at byte: want %d, got %d", data1[i], data[i])
 		}
 	}
 	c.Assert(string(data[len(data1):]), check.Equals, string(data2))