def METHOD_NAME(efs, file_system):
    fs_id = file_system["FileSystemId"]
    access_point_id = efs.create_access_point(ClientToken="ct", FileSystemId=fs_id)[
        "AccessPointId"
    ]
    resp = efs.describe_access_points(AccessPointId=access_point_id)
    assert len(resp["AccessPoints"]) == 1
    access_point = resp["AccessPoints"][0]
    assert access_point["ClientToken"] == "ct"
    assert "AccessPointId" in access_point
    assert "AccessPointArn" in access_point
    assert access_point["FileSystemId"] == fs_id
    assert access_point["OwnerId"] == ACCOUNT_ID
    assert access_point["LifeCycleState"] == "available"