'Raise TemplateSyntaxError for a nonexistent filter'

@setup({'filter-syntax05': '{{    var|does_not_exist    }}'})
def test_filter_syntax05(self):

    msg = "Invalid    filter:    'does_not_exist'"
    with self.assertRaisesMessage(TemplateSyntaxError, msg):
        self.engine.get_template('filter-syntax05')
