public void When_ConfigIsLoaded_GetAppSetting_Should_ReturnSpecificAppSetting()
{
LoadWebConfigAsXmlDocument();
var expected = new KeyValuePair <string, string>("BP_AppSettings_Key1", "AppSettings_Value1");
var actual = _writer.GetAppSetting(expected.Key);
actual.Should().NotBeNullOrEmpty();
expected.Value.Should().BeEquivalentTo(actual);
}