public void CallBackTest(string section)
{
string testString = "test";
int testInt = 75;
var configurator = new ConfigurationContainer(this.GetConfiguration(testInt, testString, section));
ConfigurationItem result = null;
configurator.Configure <ConfigurationItem>(section, item => { result = item; });
result.Should().NotBeNull();
result.TestInt.Should().Be(testInt);
result.TestString.Should().Be(testString);
}