diff --git a/test/phpunit/CodingPhpTest.php b/test/phpunit/CodingPhpTest.php
index 4326f536f92..29914d3c844 100644
--- a/test/phpunit/CodingPhpTest.php
+++ b/test/phpunit/CodingPhpTest.php
@@ -255,7 +255,7 @@ class CodingPhpTest extends PHPUnit\Framework\TestCase
                 //if ($reg[0] != 'db') $ok=false;
             }
             //print __METHOD__." Result for checking we don't have non escaped string in sql requests for file ".$file."\n";
-            $this->assertTrue($ok, 'Found a $this->db->idate to forge a sql request without quotes around this date field '.$file['relativename'].' :: '.$val[0]);
+            $this->assertTrue($ok, 'Found a $this->db->idate to forge a sql request without quotes around this date field '.$file['relativename']);
             //exit;
 
 
diff --git a/test/phpunit/Functions2LibTest.php b/test/phpunit/Functions2LibTest.php
index 21fa1f29257..be050b83b4f 100644
--- a/test/phpunit/Functions2LibTest.php
+++ b/test/phpunit/Functions2LibTest.php
@@ -148,6 +148,13 @@ class Functions2LibTest extends PHPUnit\Framework\TestCase
      */
     public function testIsValidMailDomain()
     {
+    	$mail = 'bidon@unvalid.unvalid';
+    	$result = isValidMailDomain($mail);
+    	$this->assertEquals(0, $result, 'Email isValidMailDomain('.$mail.') should return 0 (not valid) but returned '.$result);
+
+    	$mail = 'bidon@dolibarr.org';
+    	$result = isValidMailDomain($mail);
+    	$this->assertEquals(1, $result, 'Email isValidMailDomain('.$mail.') should return 1 (valid) but returned '.$result);
     }
 
     /**