*** Tests of error handling ***
*** Error Handling ***
    Three error messages (from two errors) are expected
which should both show an error class of 8
(first) 8 : Invalid group passed to function: Null group
(errhandler) 8 : Invalid group passed to function: Null group
(second) 8 : Invalid group passed to function: Null group
All processes completed test
*** Tests of error handling ***
