Ozone S3 Gatway Acceptance Tests

Note: the aws cli based acceptance tests can be cross-checked with the original AWS s3 endpoint.

You need to

1. Create a bucket
2. Configure your local aws cli
3. Set bucket/endpointurl during the robot test execution

robot -v bucket:ozonetest -v OZONE_TEST:false -v OZONE_S3_SET_CREDENTIALS:false -v ENDPOINT_URL:https://s3.us-east-2.amazonaws.com smoketest/s3