public void AdditionOperator_ReturnsSum()
{
// Arrange
var operand1 = new Operand(10);
var operand2 = new Operand(20);
var expected = 30;
// Act
var sut = new AddOperator();
var actual = sut.Compute(operand1, operand2);
// Assert
Assert.AreEqual(expected, actual);
}
