public function testcheck_role_membership() { //unset and reconnect Db to resolve mysqli fetch exeception global $db; unset($db->database); $db->checkConnection(); $user = new User(); $result = $user->check_role_membership("test", ''); $this->assertEquals(false, $result); $result = $user->check_role_membership("test", '1'); $this->assertEquals(false, $result); }