public void TraitMethodReturnsTraitValue()
        {
            MigrationInfo migrationinfo = Create();
            const string  value         = "bar";

            migrationinfo.AddTrait("foo", value);
            migrationinfo.Trait("foo").ShouldBeSameAs(value);
        }
        public void TraitMethodReturnsNullForNonExistentTrait()
        {
            MigrationInfo migrationinfo = Create();

            migrationinfo.Trait("foo").ShouldBeNull();
        }