human
Complete the below
def assert_inserted(test_case, host, port):

    ''''Verify some data has been inserted into the database.
    :param TestCase test_case: A test.
    :param host: Host to connect to.
    :param port: Port to connect to.
    :return: ``Deferred`` that fires when we verify data has been inserted.'
    '''
 Can you provide a the Python code you requested?
assistant
#Here is the Python code you requested.
    d = get_mongo_client(host, port)
    def got_client(client):
        database = client.example
        data = database.posts.find_one()
        test_case.assertEqual(data[u'the    data'], u'it    moves')
    d.addCallback(got_client)
    return d