ftests: Add a test to exercise invalid systemd parameters

ftests: Add a test to exercise invalid systemd parameters

Add a test that exercises invalid parameters to
cgroup_create_scope2().

-----------------------------------------------------------------
Test Results:
        Run Date:                          Jan 25 09:32:58
        Passed:                                  1 test(s)
        Skipped:                                 0 test(s)
        Failed:                                  0 test(s)
-----------------------------------------------------------------
Timing Results:
        Test                                          Time (sec)
        --------------------------------------------------------
        setup                                               0.00
        059-sudo-invalid_systemd_create_scope2.py           0.00
        teardown                                            0.00
        --------------------------------------------------------
        Total Run Time                                      0.00

Signed-off-by: Tom Hromatka <tom.hromatka@oracle.com>
Reviewed-by: Kamalesh Babulal <kamalesh.babulal@oracle.com>