diff --git a/test/phpunit/ActionCommTest.php b/test/phpunit/ActionCommTest.php
index cb908416535..b739b387a74 100644
--- a/test/phpunit/ActionCommTest.php
+++ b/test/phpunit/ActionCommTest.php
@@ -84,7 +84,7 @@ class ActionCommTest extends PHPUnit\Framework\TestCase
 		$db->begin(); // This is to have all actions inside a transaction even if test launched without suite.
 
 		if (empty($conf->agenda->enabled)) {
-			print __METHOD__." module agenda must be enabled.\n"; die();
+			print __METHOD__." module agenda must be enabled.\n"; die(1);
 		}
 
 		print __METHOD__."\n";
diff --git a/test/phpunit/AdherentTest.php b/test/phpunit/AdherentTest.php
index 63b55dd37aa..0e4956e3a12 100644
--- a/test/phpunit/AdherentTest.php
+++ b/test/phpunit/AdherentTest.php
@@ -87,13 +87,13 @@ class AdherentTest extends PHPUnit\Framework\TestCase
 
 		if (! empty($conf->global->MAIN_FIRSTNAME_NAME_POSITION)) {
 			print "\n".__METHOD__." Company must be setup to have name-firstname in order 'Firstname Lastname'\n";
-			die();
+			die(1);
 		}
 		if (! empty($conf->global->MAIN_MODULE_LDAP)) {
-			print "\n".__METHOD__." module LDAP must be disabled.\n"; die();
+			print "\n".__METHOD__." module LDAP must be disabled.\n"; die(1);
 		}
 		if (! empty($conf->global->MAIN_MODULE_MAILMANSPIP)) {
-			print "\n".__METHOD__." module MailmanSpip must be disabled.\n"; die();
+			print "\n".__METHOD__." module MailmanSpip must be disabled.\n"; die(1);
 		}
 
 		print __METHOD__."\n";
diff --git a/test/phpunit/BuildDocTest.php b/test/phpunit/BuildDocTest.php
index 455f2ce513a..18a737ec50b 100644
--- a/test/phpunit/BuildDocTest.php
+++ b/test/phpunit/BuildDocTest.php
@@ -113,25 +113,25 @@ class BuildDocTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (! $conf->facture->enabled) {
-			print __METHOD__." invoice module not enabled\n"; die();
+			print __METHOD__." invoice module not enabled\n"; die(1);
 		}
 		if (! $conf->commande->enabled) {
-			print __METHOD__." order module not enabled\n"; die();
+			print __METHOD__." order module not enabled\n"; die(1);
 		}
 		if (! $conf->propal->enabled) {
-			print __METHOD__." propal module not enabled\n"; die();
+			print __METHOD__." propal module not enabled\n"; die(1);
 		}
 		if (! $conf->projet->enabled) {
-			print __METHOD__." project module not enabled\n"; die();
+			print __METHOD__." project module not enabled\n"; die(1);
 		}
 		if (! $conf->expedition->enabled) {
-			print __METHOD__." shipment module not enabled\n"; die();
+			print __METHOD__." shipment module not enabled\n"; die(1);
 		}
 		if (! $conf->ficheinter->enabled) {
-			print __METHOD__." intervention module not enabled\n"; die();
+			print __METHOD__." intervention module not enabled\n"; die(1);
 		}
 		if (! $conf->expensereport->enabled) {
-			print __METHOD__." expensereport module not enabled\n"; die();
+			print __METHOD__." expensereport module not enabled\n"; die(1);
 		}
 
 		$db->begin(); // This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/CommandeFournisseurTest.php b/test/phpunit/CommandeFournisseurTest.php
index b050005bcf1..bf5922460a2 100644
--- a/test/phpunit/CommandeFournisseurTest.php
+++ b/test/phpunit/CommandeFournisseurTest.php
@@ -147,7 +147,7 @@ class CommandeFournisseurTest extends PHPUnit\Framework\TestCase
 		$product=new ProductFournisseur($db);
 		$product->fetch(0, 'PIDRESS');
 		if ($product->id <= 0) {
-			print "\n".__METHOD__." A product with ref PIDRESS must exists into database"; die();
+			print "\n".__METHOD__." A product with ref PIDRESS must exists into database"; die(1);
 		}
 
 		$quantity=10;
diff --git a/test/phpunit/CommandeTest.php b/test/phpunit/CommandeTest.php
index 4ab81d63524..064c205c0e9 100644
--- a/test/phpunit/CommandeTest.php
+++ b/test/phpunit/CommandeTest.php
@@ -84,7 +84,7 @@ class CommandeTest extends PHPUnit\Framework\TestCase
 		$db->begin(); // This is to have all actions inside a transaction even if test launched without suite.
 
 		if (empty($conf->commande->enabled)) {
-			print __METHOD__." module customer order must be enabled.\n"; die();
+			print __METHOD__." module customer order must be enabled.\n"; die(1);
 		}
 
 		print __METHOD__."\n";
diff --git a/test/phpunit/DateLibTzFranceTest.php b/test/phpunit/DateLibTzFranceTest.php
index 63eadc1a98f..4b63450c332 100644
--- a/test/phpunit/DateLibTzFranceTest.php
+++ b/test/phpunit/DateLibTzFranceTest.php
@@ -83,7 +83,7 @@ class DateLibTzFranceTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (getServerTimeZoneString() != 'Europe/Paris' && getServerTimeZoneString() != 'Europe/Berlin') {
-			print "\n".__METHOD__." This PHPUnit test can be launched manually only onto a server with PHP timezone set to TZ=Europe/Paris, not a TZ=".getServerTimeZoneString().".\n"; die();
+			print "\n".__METHOD__." This PHPUnit test can be launched manually only onto a server with PHP timezone set to TZ=Europe/Paris, not a TZ=".getServerTimeZoneString().".\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/EntrepotTest.php b/test/phpunit/EntrepotTest.php
index 6be9b5ba349..691b3039744 100644
--- a/test/phpunit/EntrepotTest.php
+++ b/test/phpunit/EntrepotTest.php
@@ -83,7 +83,7 @@ class EntrepotTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (empty($conf->stock->enabled)) {
-			print __METHOD__." Module Stock must be enabled.\n"; die();
+			print __METHOD__." Module Stock must be enabled.\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/FactureTest.php b/test/phpunit/FactureTest.php
index ddb895d1b96..efa7d43a269 100644
--- a/test/phpunit/FactureTest.php
+++ b/test/phpunit/FactureTest.php
@@ -84,10 +84,10 @@ class FactureTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (empty($conf->facture->enabled)) {
-			print __METHOD__." module customer invoice must be enabled.\n"; die();
+			print __METHOD__." module customer invoice must be enabled.\n"; die(1);
 		}
 		if (! empty($conf->ecotaxdeee->enabled)) {
-			print __METHOD__." ecotaxdeee module must not be enabled.\n"; die();
+			print __METHOD__." ecotaxdeee module must not be enabled.\n"; die(1);
 		}
 
 		$db->begin(); // This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/MouvementStockTest.php b/test/phpunit/MouvementStockTest.php
index b68a8c90d0a..749f94ab20f 100644
--- a/test/phpunit/MouvementStockTest.php
+++ b/test/phpunit/MouvementStockTest.php
@@ -115,7 +115,7 @@ class MouvementStockTest extends PHPUnit\Framework\TestCase
 		$db=$this->savdb;
 
 		if (empty($conf->productbatch->enabled)) {
-			print "\n".__METHOD__." module Lot/Serial must be enabled.\n"; die();
+			print "\n".__METHOD__." module Lot/Serial must be enabled.\n"; die(1);
 		}
 
 		print __METHOD__."\n";
diff --git a/test/phpunit/PaypalTest.php b/test/phpunit/PaypalTest.php
index 3177e5555ed..61027d02710 100644
--- a/test/phpunit/PaypalTest.php
+++ b/test/phpunit/PaypalTest.php
@@ -84,7 +84,7 @@ class PaypalTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (empty($conf->paypal->enabled)) {
-			print __METHOD__." Module Paypal must be enabled.\n"; die();
+			print __METHOD__." Module Paypal must be enabled.\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/PdfDocTest.php b/test/phpunit/PdfDocTest.php
index 4c07f970c24..039bbe69288 100644
--- a/test/phpunit/PdfDocTest.php
+++ b/test/phpunit/PdfDocTest.php
@@ -144,7 +144,7 @@ class PdfDocTest extends PHPUnit\Framework\TestCase
 		$localproduct->fetch(0, 'PIDRESS');
 		$product_id=$localproduct->id;
 		if ($product_id <= 0) {
-			print "\n".__METHOD__." A product with ref PIDRESS must exists into database"; die();
+			print "\n".__METHOD__." A product with ref PIDRESS must exists into database"; die(1);
 		}
 
 		$localobject=new Facture($this->savdb);
diff --git a/test/phpunit/ProductTest.php b/test/phpunit/ProductTest.php
index a7267251ed0..7eb6de57c02 100644
--- a/test/phpunit/ProductTest.php
+++ b/test/phpunit/ProductTest.php
@@ -83,7 +83,7 @@ class ProductTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (empty($conf->produit->enabled)) {
-			print __METHOD__." Module Product must be enabled.\n"; die();
+			print __METHOD__." Module Product must be enabled.\n"; die(1);
 		}
 
 		$db->begin(); // This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/RestAPIUserTest.php b/test/phpunit/RestAPIUserTest.php
index a534c5f5910..c908b631df8 100644
--- a/test/phpunit/RestAPIUserTest.php
+++ b/test/phpunit/RestAPIUserTest.php
@@ -74,7 +74,7 @@ class RestAPIUserTest extends PHPUnit\Framework\TestCase
 		$this->savdb=$db;
 
 		if (empty($conf->api->enabled)) {
-			print __METHOD__." module api must be enabled.\n"; die();
+			print __METHOD__." module api must be enabled.\n"; die(1);
 		}
 
 		print __METHOD__." db->type=".$db->type." user->id=".$user->id;
diff --git a/test/phpunit/SocieteTest.php b/test/phpunit/SocieteTest.php
index 12f24290413..73363140acd 100755
--- a/test/phpunit/SocieteTest.php
+++ b/test/phpunit/SocieteTest.php
@@ -84,15 +84,15 @@ class SocieteTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if ($conf->global->SOCIETE_CODECLIENT_ADDON != 'mod_codeclient_monkey') {
-			print "\n".__METHOD__." third party ref checker must be setup to 'mod_codeclient_monkey' not to '".$conf->global->SOCIETE_CODECLIENT_ADDON."'.\n"; die();
+			print "\n".__METHOD__." third party ref checker must be setup to 'mod_codeclient_monkey' not to '".$conf->global->SOCIETE_CODECLIENT_ADDON."'.\n"; die(1);
 		}
 
 		if (! empty($conf->global->MAIN_DISABLEPROFIDRULES)) {
-			print "\n".__METHOD__." constant MAIN_DISABLEPROFIDRULES must be empty (if a module set it, disable module).\n"; die();
+			print "\n".__METHOD__." constant MAIN_DISABLEPROFIDRULES must be empty (if a module set it, disable module).\n"; die(1);
 		}
 
 		if ($langs->defaultlang != 'en_US') {
-			print "\n".__METHOD__." default language of company must be set to autodetect.\n"; die();
+			print "\n".__METHOD__." default language of company must be set to autodetect.\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/StripeTest.php b/test/phpunit/StripeTest.php
index 9425cc47aa0..bb769e83e80 100644
--- a/test/phpunit/StripeTest.php
+++ b/test/phpunit/StripeTest.php
@@ -84,7 +84,7 @@ class StripeTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (empty($conf->stripe->enabled)) {
-			print __METHOD__." Module Stripe must be enabled.\n"; die();
+			print __METHOD__." Module Stripe must be enabled.\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
diff --git a/test/phpunit/SupplierProposalTest.php b/test/phpunit/SupplierProposalTest.php
index bc9263f410c..ebcf30c29e6 100644
--- a/test/phpunit/SupplierProposalTest.php
+++ b/test/phpunit/SupplierProposalTest.php
@@ -87,7 +87,7 @@ class SupplierProposalTest extends PHPUnit\Framework\TestCase
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.
 
 		if (empty($conf->global->MAIN_MODULE_SUPPLIERPROPOSAL)) {
-			print "\n".__METHOD__." module Supplier proposal must be enabled.\n"; die();
+			print "\n".__METHOD__." module Supplier proposal must be enabled.\n"; die(1);
 		}
 
 		print __METHOD__."\n";
diff --git a/test/phpunit/UserTest.php b/test/phpunit/UserTest.php
index ca889fdbc96..5a09e4c9864 100644
--- a/test/phpunit/UserTest.php
+++ b/test/phpunit/UserTest.php
@@ -83,7 +83,7 @@ class UserTest extends PHPUnit\Framework\TestCase
 		global $conf,$user,$langs,$db;
 
 		if (! empty($conf->global->MAIN_MODULE_LDAP)) {
-			print "\n".__METHOD__." module LDAP must be disabled.\n"; die();
+			print "\n".__METHOD__." module LDAP must be disabled.\n"; die(1);
 		}
 
 		$db->begin();	// This is to have all actions inside a transaction even if test launched without suite.