Improve PHPUNIT Test for phpunit7 and phpunit8

unit-test/include/class/acc_account.classTest.php

@@ -16,7 +16,7 @@ class Acc_AccountTest extends TestCase
      * Sets up the fixture, for example, opens a network connection.
      * This method is called before a test is executed.
      */
-    protected function setUp()
+    protected function setUp() :void
     {
         global $g_connection, $g_parameter, $g_user;
         $_REQUEST['gDossier']=DOSSIER;
@@ -27,14 +27,6 @@ class Acc_AccountTest extends TestCase
         $this->object=new Acc_Account($cn, '400');
     }
 
-    /**
-     * Tears down the fixture, for example, closes a network connection.
-     * This method is called after a test is executed.
-     */
-    protected function tearDown()
-    {
-        
-    }
 
     /**
      * @covers Acc_Account::get_parameter