public void read_a_fixture_failure()
{
var exception = new NotImplementedException();
builder.LogFixtureFailure("bad fixture", exception);
FixtureGraph fixture = builder.Library.FixtureFor("bad fixture");
fixture.AllErrors().Count().ShouldEqual(1);
GrammarError error = fixture.AllErrors().First();
error.Message.ShouldEqual("Fixture 'bad fixture' could not be loaded");
error.ErrorText.ShouldEqual(exception.ToString());
}