MsTest.cs

[DataTestMethod]
[DynamicData(nameof(GetData), DynamicDataSourceType.Method)]
public void TestAddDynamicDataMethod(int a, int b, int expected)
{
    var actual = _calculator.Add(a, b);
    Assert.AreEqual(expected, actual);
}

public static IEnumerable<object[]> GetData()
{
    yield return new object[] { 1, 1, 2 };
    yield return new object[] { 12, 30, 42 };
    yield return new object[] { 14, 1, 15 };
}