def METHOD_NAME():
    client = boto3.client("ebs", region_name="eu-west-1")
    resp = client.start_snapshot(VolumeSize=720)
    assert "SnapshotId" in resp
    assert resp["OwnerId"] == ACCOUNT_ID
    assert resp["Status"] == "pending"
    assert "StartTime" in resp
    assert resp["VolumeSize"] == 720
    assert resp["BlockSize"] == 512