Add phpunit tests

test/MyTestSuite.php

@@ -58,9 +58,9 @@ class MyTestSuite
         $suite->addTestSuite('FactureTest');
 		require_once dirname(__FILE__).'/PropalTest.php';
         $suite->addTestSuite('PropalTest');
-		require_once dirname(__FILE__).'/PropalTest.php';
+		require_once dirname(__FILE__).'/UserTest.php';
         $suite->addTestSuite('UserTest');
-		require_once dirname(__FILE__).'/PropalTest.php';
+		require_once dirname(__FILE__).'/UserGroupTest.php';
         $suite->addTestSuite('UserGroupTest');
 
         return $suite;