GoogleCloudPlatform/appengine-tck — pull request #104 by luksa (2014-11-25 13:16:25+00:00)
Title: Don't check BCC at all

Since the BCC field should be removed by the destination server, we shouldn't use it to match received email messages with the expected email message. GMail used to strip the BCC, but now it apparently doesn't strip it if it's the same as the sender's address.