def METHOD_NAME():
    client = boto3.client("ecs", region_name="us-west-1")
    client.create_capacity_provider(
        name="my_provider",
        autoScalingGroupProvider={
            "autoScalingGroupArn": "asg:arn",
            "managedScaling": {
                "status": "ENABLED",
                "targetCapacity": 5,
                "maximumScalingStepSize": 2,
            },
            "managedTerminationProtection": "DISABLED",
        },
    )
    resp = client.describe_capacity_providers(
        capacityProviders=["my_provider", "another_provider"]
    )
    assert len(resp["capacityProviders"]) == 1
    assert resp["failures"] == [
        {
            "arn": f"arn:aws:ecs:us-west-1:{ACCOUNT_ID}:capacity_provider/another_provider",
            "reason": "MISSING",
        }
    ]