public void substitutions_do_not_write_instructions()
        {
            var substitutions = new Substitutions();
            substitutions.Set("key", "something");
            substitutions.Set("two", "twenty");
            substitutions.Set(TemplatePlan.INSTRUCTIONS, "something");

            substitutions.WriteTo("fubu.template.config");

            var substitutions2 = new Substitutions();
            substitutions2.ReadFrom("fubu.template.config");

            substitutions2.Has(TemplatePlan.INSTRUCTIONS).ShouldBeFalse();
        }