This PR fixes the CSV-on-the-web tests by fetching them direct from github. The w3 URLs used before redirect to github, but do not use HTTPS, so cause errors when following the redirects. When that's fixed, we can change back to the canonical w3 URLs.
This PR fixes the CSV-on-the-web tests by fetching them direct from github. The w3 URLs used before redirect to github, but do not use HTTPS, so cause errors when following the redirects. When that's fixed, we can change back to the canonical w3 URLs.