Sample test to verify SNS permission

sns-sample.py

import boto3

client = boto3.client('sns',
    region_name='us-west-2',
    aws_access_key_id='aws_access_key_id',
    aws_secret_access_key='aws_secret_access_key'
)

response = client.publish(
    TopicArn='full_arn_topic_name',    
    Message='test'
)
print("Response: {}".format(response))