[release-branch.go1.16] syscall: fix TestGroupCleanupUserNamespace test failure on Fedora
For #46752
Fixes #46769
Change-Id: I2eaa9d15fac4e859e18191fcf1372e5be94899df
GitHub-Last-Rev:
8a2672d8dc6713ec6cbd207d870e893062c8fe5b
GitHub-Pull-Request: golang/go#46753
Reviewed-on: https://go-review.googlesource.com/c/go/+/328109
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
(cherry picked from commit
a752bc07462f01a4c1ee1940c3ea316b270af146)
Reviewed-on: https://go-review.googlesource.com/c/go/+/329831
Trust: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>