diff --git a/Build.PL b/Build.PL
index cba491eb98..4c6352aa0a 100644
--- a/Build.PL
+++ b/Build.PL
@@ -5,6 +5,10 @@ my $builder = Local::Module::Build->new(
     module_name         => 'NGCP::Panel',
     license             => 'restrictive',
     dist_version_from   => 'lib/NGCP/Panel.pm',
+    tap_harness_args    => {
+        formatter_class => 'TAP::Formatter::JUnit',
+        merge           => 1,
+    },
     configure_requires => {
         'lib' => 0,
         'Module::Build' => '0.4004',
@@ -13,6 +17,7 @@ my $builder = Local::Module::Build->new(
     },
     requires => {
         'base' => 0,
+        'Capture::Tiny' => 0,
         'Catalyst::Action::RenderView' => 0,
         'Catalyst::ActionRole::ACL' => 0,
         'Catalyst::Model::DBIC::Schema' => 0,
diff --git a/inc/Local/Module/Build.pm b/inc/Local/Module/Build.pm
index 544cbe968c..cfb58abd1f 100644
--- a/inc/Local/Module/Build.pm
+++ b/inc/Local/Module/Build.pm
@@ -2,6 +2,7 @@ package Local::Module::Build;
 use Sipwise::Base;
 use Moose qw(around);
 use Child qw(child);
+use Capture::Tiny qw(capture_merged);
 use TryCatch;
 use MooseX::Method::Signatures;
 extends 'Module::Build';
@@ -64,6 +65,8 @@ sub _test_preconditions {
     require File::Which;
     $ENV{ NGCP_PANEL_CONFIG_LOCAL_SUFFIX } = "testing";
     $plackup = child {
+        my $debug_fh = IO::File->new("panel_debug_output", "w+");
+        capture_merged {
         exec $^X,
             '-Ilib',
             exists $opt{'schema-base-dir'} ? "-Mblib=$opt{'schema-base-dir'}" : (),
@@ -71,6 +74,7 @@ sub _test_preconditions {
             scalar File::Which::which('plackup'),
             sprintf('--listen=%s:%s', $uri->host, $uri->port),
             'ngcp_panel.psgi';
+        } stdout => $debug_fh;
     };
     $self->wait_socket($uri->host, $uri->port);
     $ENV{CATALYST_SERVER} = $opt{server};