ftests: update test to check for ctrl name in scope name

ftests: update test to check for ctrl name in scope name

Update the test case to check for controller names in the scope name.

-----------------------------------------------------------------
Test Results:
        Run Date:                          Aug 18 07:57:32
        Passed:                                  1 test(s)
        Skipped:                                 0 test(s)
        Failed:                                  0 test(s)
-----------------------------------------------------------------
Timing Results:
        Test                                   Time (sec)
        -------------------------------------------------
        setup                                        0.00
        078-sudo-cgcreate_systemd_scope.py           5.28
        teardown                                     0.00
        -------------------------------------------------
        Total Run Time                               5.28

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