public void ParseInt32Test(string actual, object expected)
        {
            var actualResult = ParseUtility.ParseInt32(
                (object)null,
                new FuncGetter<object>((carrier, name) => new[] { actual }),
                string.Empty);

            actualResult.Should().Be((int?)expected);

            actualResult = ParseUtility.ParseInt32(
                (object)null,
                new FuncGetter<object>((carrier, name) => new List<string> { actual }),
                string.Empty);

            actualResult.Should().Be((int?)expected);
        }