async def METHOD_NAME():
    checkpoint = {
        "fully_qualified_namespace": TEST_NAMESPACE,
        "partition_id": "0",
        "eventhub_name": TEST_EVENTHUB,
        "consumer_group": TEST_CONSUMER_GROUP,
        "offset": "0",
        "sequencenumber": 0
    }
    checkpoint_store = InMemoryCheckpointStore()
    await checkpoint_store.update_checkpoint(checkpoint)
    listed_checkpoint = await checkpoint_store.list_checkpoints(TEST_NAMESPACE, TEST_EVENTHUB, TEST_CONSUMER_GROUP)
    assert listed_checkpoint[0] == checkpoint
    assert listed_checkpoint[0]["offset"] == "0"
    assert listed_checkpoint[0]["sequencenumber"] == 0