Canonical redirects for individual post comments feeds need work

[markjaquith]

Several of the unit tests related to individual post comments feeds are failing.

11) WP_Canonical::test with data set #55 ('/2008/03/03/comment-test/?feed=comments-atom', '/2008/03/03/comment-test/feed/atom/')
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'/2008/03/03/comment-test/feed/atom/'
+'/2008/03/03/comment-test/comments/feed/atom/'

12) WP_Canonical::test with data set #56 ('/?p=149&feed=comments-atom', '/2008/03/03/comment-test/feed/atom/')
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'/2008/03/03/comment-test/feed/atom/'
+'/comments/feed/atom/'

13) WP_Canonical::test with data set #57 ('/2008/03/03/comment-test/?feed=comments-atom', '/2008/03/03/comment-test/feed/atom/')
Failed asserting that two strings are equal.
--- Expected
+++ Actual
@@ @@
-'/2008/03/03/comment-test/feed/atom/'
+'/2008/03/03/comment-test/comments/feed/atom/'

[markjaquith]

In [20396]:

Fix a bunch of individual post comments feeds canonical redirects. Fixes three unit tests. fixes #20384