function test_deleteAll()
{
//Arrange
$description = "Buy book on learning French";
$project_id = 1;
$position = 1;
$test_step = new Step($description, $project_id, $position);
$test_step->save();
$description2 = "Buy French bread";
$project_id2 = 1;
$position2 = 2;
$test_step2 = new Step($description2, $project_id2, $position2);
$test_step2->save();
//Act
Step::deleteAll();
$result = Step::getAll();
//Assert
$this->assertEquals([], $result);
}
protected function tearDown()
{
Project::deleteAll();
Step::deleteAll();
}
