When test stats are not available in S3 API call returns us non-json response
<Error> <Code>AccessDenied</Code> <Message>Access Denied</Message> <RequestId>QBHYWC078F6MGF9T</RequestId> <HostId>ZqWdSWkUD2bkmL2uap3d30SWGsBcIcmnYLHITtUWwIdS/rDSOWPOHvsK4RQCc8F7qbk2w0cQNps=</HostId> </Error>