@@ -22,8 +22,8 @@
 	processed := output.Bytes()
 
 	delta := diff.Diff(diff.D{Len1: len(data), Len2: len(processed),
 		EqualFunc: func(i, j int) bool { return data[i] == processed[j] }})
 	if len(delta.Added) > 0 || len(delta.Removed) > 0 {
-		t.Error("Differences detected ", delta)
+		t.Error("Differences detected ", delta, processed)
 	}
 }