testing: remove unnecessary TempDir implementation detail from its doc

The "by Cleanup" detail about the removal mechanism is not necessary for
users. The previous wording could even cause confusion whether they
should do something for Cleanup to occur.

Change-Id: I617a7a4e118a70a3ad8a83a2d81cd911dde8ee08
GitHub-Last-Rev: fba4cde6362d1f0ea0c730d50fdd3fbaae4e17cf
GitHub-Pull-Request: golang/go#63479
Reviewed-on: https://go-review.googlesource.com/c/go/+/534016
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>

diff --git a/src/testing/testing.go b/src/testing/testing.go
index d89a99454dd755596e3b3e5fea44dd23abe207fe..2a80bf26f497621483499bce6f1bafff903763a6 100644 (file)
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -1173,7 +1173,7 @@ func (c *common) Cleanup(f func()) {
 }
 
 // TempDir returns a temporary directory for the test to use.
-// The directory is automatically removed by Cleanup when the test and
+// The directory is automatically removed when the test and
 // all its subtests complete.
 // Each subsequent call to t.TempDir returns a unique directory;
 // if the directory creation fails, TempDir terminates the test by calling Fatal.