Skip test if unshare was not possible

For some reason, unshare fails with "Operation not permitted" for me.

I'm testing in a chrooted system, that might be a reason.

1 files changed, 4 insertions, 3 deletions

diff --git a/tests/test_bindfs.rb b/tests/test_bindfs.rb
index 9eef27d..95467a3 100755
--- a/tests/test_bindfs.rb
+++ b/tests/test_bindfs.rb
@@ -839,9 +839,10 @@ if `uname`.strip == 'Linux' &&
     `unshare --help`.include?("--user")
   root_testenv("--gid-offset=10000", :title => "setgid and gid-offset") do
     system("chmod g+s src")
-    system("unshare --map-root-user --user mkdir mnt/dir")
-    assert { File.stat("src/dir").gid == 0 }
-    assert { File.stat("mnt/dir").gid == 10000 }
+    if system("unshare --map-root-user --user mkdir mnt/dir")
+      assert { File.stat("src/dir").gid == 0 }
+      assert { File.stat("mnt/dir").gid == 10000 }
+    end
   end
 end