'Raise TemplateSyntaxError when trying to access a filter containing
an illegal character'

@setup({'filter-syntax06': '{{    var|fil(ter)    }}'})
def test_filter_syntax06(self):

    with self.assertRaisesMessage(TemplateSyntaxError, "Invalid    filter:    'fil'"):
        self.engine.get_template('filter-syntax06')
