Test Session use Test::WWW::Mechanize::PSGI
use strict;
use warnings;
use Test::More;
use Test::WWW::Mechanize::PSGI;
my $app = Plack::Util::load_psgi './app.psgi';
my $mech = Test::WWW::Mechanize::PSGI->new( app => $app );
subtest count => sub {
$mech->get_ok( '/' );
$mech->content_is('1');
$mech->get_ok( '/' );
$mech->content_is('2');
$mech->get_ok( '/' );
$mech->content_is('3');
};
done_testing;