function test_updatePosition() { //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_position = 3; $test_step->updatePosition($new_position); //Assert $result = $test_step->getPosition(); $this->assertEquals($new_position, $result); }