#16039/#20118: temporarily skip failing imaplib SSL test.
#16039/#20118: temporarily skip failing imaplib SSL test.

The fix the test is testing prevents a DOS attack, and the failure
mode will also prevent the DOS attack, so for now skip the test.
Either the test or the code does need fixing, however.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator