Bug 5327 added unit tests for C4/Scheduler.pm

Signed-off-by: Chris Hall <chrish@catalyst.net.nz>

t/Scheduler.t

@@ -6,9 +6,14 @@
 use strict;
 use warnings;
 
-use Test::More tests => 1;
+use Test::More tests => 6;
 
 BEGIN {
         use_ok('C4::Scheduler');
 }
 
+ok(C4::Scheduler::get_jobs(), "testing get_jobs with no arguments");
+ok(C4::Scheduler::get_at_jobs(), "testing get_at_jobs with no arguments");
+is(C4::Scheduler::get_at_job(), "0", "testing get_at_job returns '0' when given no arguments");
+is(C4::Scheduler::add_at_job(), "", "testing add_at_job with no arguments");
+is(C4::Scheduler::remove_at_job(), undef , "testing remove_at_job returns undef when given no arguments");