test_unconfined_userns from ubuntu_qrt_apparmor failed with J-oem-6.5

[Po-Hsu Lin]

Issue found with J-oem-6.5.0-1004.4

After checking with the test history of -1003, this appears to be a new test case added last week:
https://git.launchpad.net/qa-regression-testing/commit/?id=6f2c5ab7c8659174adac772ce0e894328bb5045d

Test failed with:
 Running test: './test-apparmor.py' distro: 'Ubuntu 22.04' kernel: '6.5.0-1004.4 (Ubuntu 6.5.0-1004.4-oem 6.5.3)' arch: 'amd64' init: 'systemd' uid: 0/0 SUDO_USER: 'ubuntu')
 Skipping private tests
 stderr:
 test_unconfined_userns (__main__.ApparmorTest)
 Test that unconfined userns restrictions are applied ... (disabling userns restrictions) (checking unshare works as normal) (enabling userns restrictions) (checking unshare fails) (creating unconfined mode profile for unshare with userns permission) FAIL

 ======================================================================
 FAIL: test_unconfined_userns (__main__.ApparmorTest)
 Test that unconfined userns restrictions are applied
 ----------------------------------------------------------------------
 Traceback (most recent call last):
   File "/home/ubuntu/autotest/client/tmp/ubuntu_qrt_apparmor/src/qa-regression-testing/scripts/./test-apparmor.py", line 1549, in test_unconfined_userns
     self.assertEqual(expected, rc, result + report)
 AssertionError: 0 != 1 : Got exit code 1, expected 0
 AppArmor parser error for /tmp/testlibh44rj8zq/unshare.profile in profile /tmp/testlibh44rj8zq/unshare.profile at line 1: syntax error, unexpected TOK_END_OF_RULE, expecting TOK_MODE

 ----------------------------------------------------------------------
 Ran 1 test in 1.290s

 FAILED (failures=1)

[Alex Murray (alexmurray)]

Proposed fix in https://code.launchpad.net/~alexmurray/qa-regression-testing/+git/qa-regression-testing/+merge/455162