def METHOD_NAME(self):
    document = factories.ComplementaryDocumentFactory.create(
        submission=self.submission,
        authorised_departments=[self.departments[self.VALIDATOR].pk],
        is_public=True,
    )
    detail = self.execute_submission_action(
        data={
            **self.data,
            **{
                "documents": document.pk,
            },
        }
    )
    inquiry = detail.context["forms"][self.action].instance
    self.assertInquiryCreated(
        inquiry=inquiry,
        expected_data={
            "start_date": self.data["start_date"],
            "end_date": self.data["end_date"],
            "documents": [document],
        },
    )