def METHOD_NAME(self):
    """
    Assert that correct url is returned when project version url
    is missing.
    """
    project = models.Project(
        name="test", homepage="https://example.org", backend=BACKEND
    )
    exp = "https://sourceforge.net/projects/test/rss?limit=200"
    obs = backend.SourceforgeBackend.get_version_url(project)
    self.assertEqual(obs, exp)