I added the line you suggested to the wp-config.php file.
I reloaded the admin page
When I re-authenticate with Google Drive, I get the same error as before:
Google Drive authentication error: cURL error 60: SSL certificate problem: unable to get local issuer certificate (May 02 09:33:11)
I have had a similar problem that happened today.
A blog entry that posted on schedule on the blog has not been picked up by Auto Publish.
We had entries that worked correctly yesterday on May 3
