def test_fieldset_cls_review_request_fieldset(self):
        fieldset = [BaseReviewRequestTestInitFieldset]
        ReviewRequestFieldSetsHook(extension=self.extension,
                                   fieldsets=fieldset)

        review = ReviewRequest()
        request = self.factory.get('test')
        request.user = self.user
        context = Context({
            'review_request_details': review,
            'request': request
        })

        t = Template(
            "{% load reviewtags %}"
            "{% for_review_request_fieldset review_request_details %}"
            "{% end_for_review_request_fieldset %}")

        t.render(context).strip()
Testing sandboxing ReviewRequestFieldset init function in
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/extensions/tests.py/SandboxTests.test_fieldset_cls_review_request_fieldset