<?php use App\Math; it('can add two numbers', function () { expect(Math::add(1, 2))->toBe(3); }); it('can subtract two numbers', function () { expect(Math::subtract(3, 2))->toBe(1); }); it('can multiply two numbers', function ($a, $b, $result) { expect(Math::multiply($a, $b))->toBe($result); })->with([ [1, 1, 1], [1, 2, 2], [2, 3, 6], ]); it('can divide two numbers');