testing: clean up remaining TempDir issues from CL 231958

Updates #38850

Change-Id: I33f48762f5520eb0c0a841d8ca1ccdd65ecc20c8
Reviewed-on: https://go-review.googlesource.com/c/go/+/234583
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/src/testing/testing.go b/src/testing/testing.go
index aa1584f2d9..608bb39671 100644
--- a/src/testing/testing.go
+++ b/src/testing/testing.go
@@ -822,11 +822,10 @@ var tempDirReplacer struct {
 }
 
 // TempDir returns a temporary directory for the test to use.
-// It is lazily created on first access, and calls t.Fatal if the directory
-// creation fails.
-// Subsequent calls to t.TempDir return the same directory.
 // The directory is automatically removed by Cleanup 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.
 func (c *common) TempDir() string {
 	// Use a single parent directory for all the temporary directories
 	// created by a test, each numbered sequentially.