public virtual void when_I_set_existing_property_then_I_can_use_dynamic_property_syntax()
{
string original = getExistingPropertyDynamic(Properties);
setExistingPropertyDynamic(Properties, "Foo");
string changed = getExistingPropertyDynamic(Properties);
Assert.NotEqual(original, changed, "Existing property value was not changed by {0} on {1}", this.GetType().Name, ProjectFile);
Library.Save();
var saved = XDocument.Load(ProjectFile)
.Root
.Descendants(MsBuildXmlNs + existingPropertyName)
.Select(e => e.Value)
.First();
Assert.Equal("Foo", saved);
}
