test: close file in goFiles

Brad's battery died on a plane and the file stayed open for 8 years
without anyone noticing. 😄

Someone noticed in https://github.com/gopherjs/gopherjs/pull/950.

Updates #2833

Change-Id: I46b28ac014a8c355be94e026615f119f96e5d51a
Reviewed-on: https://go-review.googlesource.com/c/go/+/218700
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Emmanuel Odeke <emm.odeke@gmail.com>

diff --git a/test/run.go b/test/run.go
index a7bee6527597a91c732f033ae9997740072beee3..7129ca32284c486fc638469b7b31a77435e6ae1f 100644 (file)
--- a/test/run.go
+++ b/test/run.go
@@ -203,6 +203,7 @@ func goFiles(dir string) []string {
        f, err := os.Open(dir)
        check(err)
        dirnames, err := f.Readdirnames(-1)
+       f.Close()
        check(err)
        names := []string{}
        for _, name := range dirnames {