function test_updateDescription()
{
//Arrange
$description = "Buy book on learning French";
$project_id = 1;
$position = 1;
$test_step = new Step($description, $project_id, $position);
$test_step->save();
//Act
$new_description = "Get a beret";
$test_step->updateDescription($new_description);
//Assert
$result = $test_step->getDescription();
$this->assertEquals($new_description, $result);
}
