py3: new tests from the ratchet

Thanks to indygreg for doing the work on these!

Differential Revision: https://phab.mercurial-scm.org/D5705

contrib/python3-whitelist

@@ -295,6 +295,7 b' test-http-branchmap.t'
 test-http-bundle1.t
 test-http-clone-r.t
 test-http-permissions.t
+test-http-protocol.t
 test-http.t
 test-hybridencode.py
 test-i18n.t
@@ -396,6 +397,7 b' test-merge9.t'
 test-minifileset.py
 test-minirst.py
 test-missing-capability.t
+test-mq-eol.t
 test-mq-git.t
 test-mq-guards.t
 test-mq-header-date.t
@@ -708,17 +710,22 b' test-walk.t'
 test-walkrepo.py
 test-websub.t
 test-win32text.t
+test-wireproto-caching.t
 test-wireproto-clientreactor.py
 test-wireproto-command-branchmap.t
+test-wireproto-command-capabilities.t
 test-wireproto-command-changesetdata.t
 test-wireproto-command-filedata.t
 test-wireproto-command-filesdata.t
 test-wireproto-command-heads.t
+test-wireproto-command-known.t
 test-wireproto-command-listkeys.t
 test-wireproto-command-lookup.t
 test-wireproto-command-manifestdata.t
 test-wireproto-command-pushkey.t
 test-wireproto-command-rawstorefiledata.t
+test-wireproto-content-redirects.t
+test-wireproto-exchangev2.t
 test-wireproto-framing.py
 test-wireproto-serverreactor.py
 test-wireproto.py