def METHOD_NAME():
    setup_autoscale_group_boto3()
    client = boto3.client("autoscaling", region_name="us-east-1")
    client.put_scaling_policy(
        PolicyName="ScaleUp",
        AdjustmentType="ExactCapacity",
        AutoScalingGroupName="tester_group",
        ScalingAdjustment=3,
    )
    policy = client.describe_policies()["ScalingPolicies"][0]
    assert policy["PolicyName"] == "ScaleUp"
    # Defaults
    assert policy["Cooldown"] == 300