[PATCH v2 2/2] generic/079: make sure users 'nobody' and 'daemon' exist

[Luis Henriques <lhenriques@suse.de>]

Test 'src/t_immutable' assumes the existence of users 'nobody' and
'daemon' on the system.  If any of these users don't exist, the test will
fail with:

  add_acl(/media/scratch/079/immutable.f) did not set errno == EPERM
  ...

because it tries to set ACLs such as:

  u::rwx,g::rwx,o::rwx,u:daemon:rwx,m::rwx

Use the new _require_user_exists() function to ensure these users exist.

Signed-off-by: Luis Henriques <lhenriques@suse.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
---
 tests/generic/079 | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/generic/079 b/tests/generic/079
index 829275db8cdf..9e7ccd31c8e2 100755
--- a/tests/generic/079
+++ b/tests/generic/079
@@ -26,6 +26,8 @@ _cleanup()
 _supported_fs generic
 
 _require_chattr ia
+_require_user_exists "nobody"
+_require_user_exists "daemon"
 _require_test_program "t_immutable"
 _require_scratch