def METHOD_NAME():
    client = boto3.client("servicediscovery", region_name="eu-west-1")
    resp = client.create_private_dns_namespace(Name="dns_ns", Vpc="vpc_id")
    assert re.match("[a-z0-9]{32}-[a-z0-9]{8}", resp["OperationId"])
    operation_id = resp["OperationId"]
    resp = client.get_operation(OperationId=operation_id)
    assert "Operation" in resp
    operation = resp["Operation"]
    assert operation["Id"] == operation_id
    assert operation["Type"] == "CREATE_NAMESPACE"
    assert operation["Status"] == "SUCCESS"
    assert "CreateDate" in operation
    assert "UpdateDate" in operation
    assert "Targets" in operation