unit-testing AddTest

[Theory, ClassData(typeof(Int32CalculatorTestData))]
public void AddTest(int leftOperand, int rightOperand, int expected)
{
    // Arrange
    var calculator = new Int32Calculator();

    // Act
    var actual = calculator.Add(leftOperand, rightOperand);

    // Assert
    Assert.Equal(expected, actual);
}

public class Int32CalculatorTestData : ClassTestData
{
    protected override List<object[]> TestData => new List<object[]>
    {
        new object[] { 1, 7, 8 },
        new object[] { 2, 2, 4 },
        new object[] { -33, -77, -110 },
        new object[] { 256, -512, -256 },
        new object[] { 0, 0, 0 },
    };
}