testing: change Error to Errorf in comment

Fixes #56479

Change-Id: I1d97eb3ea97304e429e178ad05cb9f861b2bce84
Reviewed-on: https://go-review.googlesource.com/c/go/+/446275
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>

diff --git a/src/testing/testing.go b/src/testing/testing.go
index 76dcc1ab73f7816629539a057f7a490abfa9cb13..235ab0adb7fed8cdf628d42fb051c5b9db95c53b 100644 (file)
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -263,7 +263,7 @@
 //                 t.Skip()
 //             }
 //             if _, err := json.Marshal(v); err != nil {
-//                 t.Error("Marshal: %v", err)
+//                 t.Errorf("Marshal: %v", err)
 //             }
 //         })
 //     }