syscall: use MustHaveExec in TestExec

For #41702

Change-Id: Ib2b15e52aa1fef2f5e644b316c726150252fa9f8
Reviewed-on: https://go-review.googlesource.com/c/go/+/262738
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Ian Lance Taylor 2020-10-15 14:19:10 -07:00
parent a2eb53c571
commit 11cfb48df1

View File

@ -247,6 +247,7 @@ func TestInvalidExec(t *testing.T) {
// TestExec is for issue #41702.
func TestExec(t *testing.T) {
testenv.MustHaveExec(t)
cmd := exec.Command(os.Args[0], "-test.run=TestExecHelper")
cmd.Env = append(os.Environ(), "GO_WANT_HELPER_PROCESS=2")
o, err := cmd.CombinedOutput()