def METHOD_NAME():
    client = boto3.client("apigatewayv2", region_name="ap-southeast-1")
    api_id = client.create_api(Name="test-api", ProtocolType="HTTP")["ApiId"]
    int_id = client.create_integration(ApiId=api_id, IntegrationType="HTTP")[
        "IntegrationId"
    ]
    int_res_id = client.create_integration_response(
        ApiId=api_id, IntegrationId=int_id, IntegrationResponseKey="int_res_key"
    )["IntegrationResponseId"]
    res = client.update_integration_response(
        ApiId=api_id,
        IntegrationId=int_id,
        IntegrationResponseId=int_res_id,
        ContentHandlingStrategy="CONVERT_TO_BINARY",
    )
    assert res["ContentHandlingStrategy"] == "CONVERT_TO_BINARY"
    assert "IntegrationResponseId" in res
    assert res["IntegrationResponseKey"] == "int_res_key"