$ perl dblibtry.t
1..10
ok 1 - Defined DbLibTry=HASH(0x8847860)
ok 2 - ISA
ok 3 - Method ->connect() exists
ok 4 - Method ->disconnect() exists
ok 5 - Method ->get_all_songs() exists
ok 6 - Connected
Can't use an undefined value as a HASH reference at dblibtry.t line 46 (#1)
    (F) A value used as either a hard reference or a symbolic reference must
    be a defined value.  This helps to delurk some insidious errors.
    
Uncaught exception from user code:
	Can't use an undefined value as a HASH reference at dblibtry.t line 46.
# Looks like you planned 10 tests but ran 6.
# Looks like your test exited with 255 just after 6.
$