'Fail silently when accessing a non-simple method'

@setup({'basic-syntax20': '{{    var.method2    }}'})
def test_basic_syntax20(self):

    output = self.engine.render_to_string('basic-syntax20', {'var': SomeClass()})
    if self.engine.string_if_invalid:
        self.assertEqual(output, 'INVALID')
    else:
        self.assertEqual(output, '')
