function test_deleteAll()
{
//Arrange
$name = "Bullfrog Brewery";
$location = "Somewhere in Williamsport";
$link = "www.bullfrogbrewing.com";
$test_brewery = new Brewery($name, $location, $link);
$test_brewery->save();
$name = "Yards Brewing Co.";
$location = "Philthadone";
$link = "www.makebeer.com";
$test_brewery2 = new Brewery($name, $location, $link);
$test_brewery2->save();
//Act
Brewery::deleteAll();
//Assert
$result = Brewery::getAll();
$this->assertEquals([], $result);
}