Update SessionsManagerTest.php

Author: usernane

tests/webfiori/framework/test/session/SessionsManagerTest.php

@@ -301,6 +301,7 @@ public function testDropDbTables00() {
      * @test
      */
     public function testGetSessionIDFromRequest() {
+        unset($_POST["my-s"]);
         $this->assertFalse(SessionsManager::getSessionIDFromRequest('my-s'));
         putenv('REQUEST_METHOD=GET');
         $_GET['my-s'] = 'super';