Bug 12416: the subroutine 'ok' is replaced by the subroutine 'is'

Bug 12416: the subroutine 'ok' is replaced by the subroutine 'is'

The use of the subroutine 'is' is prefered over the subroutine 'is'

To test: execute the commande prove t/db_dependent/Borrower_Debarments.t
To command has to print:
t/db_dependent/Borrower_Debarments.t .. ok
All tests successful.
Files=1, Tests=22,  1 wallclock secs ( 0.03 usr  0.01 sys +  1.42 cusr  0.08 csys =  1.54 CPU)
Result: PASS

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Comments on last patch

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>