@setup(inheritance_templates)
    def test_inheritance21(self):
        output = self.engine.render_to_string('inheritance21')
        self.assertEqual(output, '12a34')
Three-level inheritance with {{ block.super }} from parent
dataset/ETHPy150Open django/django/tests/template_tests/syntax_tests/test_extends.py/InheritanceTests.test_inheritance21