my $liststr = 'ADD UDP_LISTENER';
my @ports   = ( 515, 616, 657, 987 );

my $config = <<"GROK";
$liststr ( $ports[0] )
$liststr ( $ports[1], $ports[2] )
$liststr ( $ports[3] )
GROK

my @test_cases = (
   {  desc => "# Test 1",
      conf => $config,
      find => [ map { "port = $_" } @ports ],
   },
);