it "adds two numbers" do calc = Calculator.new expect(calc.add(2, 3)).to eq(5) end
test "add two numbers": let calc = Calculator.new check calc.add(2, 3) == 5
Here's with Minitest (part of std)
it "adds two numbers" do calc = Calculator.new assert_equal 5, calc.add(2, 3) end
assert calc.add(2, 3) == 5