user manager test: remove no-access

The change [1] was submitted without rebasing to the master, which
causes test failures at HEAD.
[1] https://gerrit.openbmc.org/c/openbmc/phosphor-user-manager/+/52363

This commit fixed the issue.

Tested: unit test passed

Signed-off-by: Nan Zhou <nanzhoumails@gmail.com>
Change-Id: I5b71e3a3dfe70448c1741f21a06ad3486b84863e
1 file changed