public void EndExperimentMarksAlwaysUseOption()
{
//arrange
const string experimentName = "Troy's Experiment";
const string alwaysUseOption = "Bar";
_commands.Reset();
_commands.GetOrCreateExperiment(experimentName, new[] { "Foo", "Bar" });
//act
_commands.EndExperiment(experimentName, alwaysUseOption);
//assert
var xml = XDocument.Parse(_commands.SavedXml);
var exp = xml.Root.Elements("Experiment").Single();
var alwaysUseOptionAtt = exp.Attribute("AlwaysUseOption");
alwaysUseOptionAtt.ShouldNotBeNull();
alwaysUseOptionAtt.Value.ShouldEqual(alwaysUseOption);
}