def METHOD_NAME(self, backend_db):
    test_firmware = create_test_firmware(device_class='test class', device_name='test device', vendor='test vendor')
    backend_db.add_object(test_firmware)
    response = self.test_client.get('/rest/firmware', follow_redirects=True).data.decode()
    assert 'uids' in response
    assert test_firmware.uid in response