Skip failing test in 'test_connection_binding_match_tls_unique'
in 'tls/tests/connection.c' when building glib-networking against
GnuTLS 3.7.2.  The failure stems from the fact that
'gnutls_session_channel_binding' returns GNUTLS_E_INVALID_REQUEST
is known upstream:

  https://gitlab.gnome.org/GNOME/glib-networking/-/issues/164

diff --git a/tls/tests/connection.c b/tls/tests/connection.c
index 036df04..347c7a4 100644
--- a/tls/tests/connection.c
+++ b/tls/tests/connection.c
@@ -3037,8 +3037,6 @@ main (int   argc,
               setup_connection, test_connection_missing_server_identity, teardown_connection);
   g_test_add ("/tls/" BACKEND "/connection/peer-certificate-notify", TestConnection, NULL,
               setup_connection, test_peer_certificate_notify, teardown_connection);
-  g_test_add ("/tls/" BACKEND "/connection/binding/match-tls-unique", TestConnection, NULL,
-              setup_connection, test_connection_binding_match_tls_unique, teardown_connection);
   g_test_add ("/tls/" BACKEND "/connection/binding/match-tls-server-end-point", TestConnection, NULL,
               setup_connection, test_connection_binding_match_tls_server_end_point, teardown_connection);
   g_test_add ("/tls/" BACKEND "/connection/binding/match-tls-exporter", TestConnection, NULL,
516271'>tree</a><a href='/guix/commit/gnu/packages/conky.scm?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>commit</a><a href='/guix/diff/gnu/packages/conky.scm?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/gnu/packages/conky.scm'>
<input type='hidden' name='id' value='c8b19d97833243e7e89f8ca83a0d641de6516271'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>root</a>/<a href='/guix/log/gnu?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>gnu</a>/<a href='/guix/log/gnu/packages?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>packages</a>/<a href='/guix/log/gnu/packages/conky.scm?id=c8b19d97833243e7e89f8ca83a0d641de6516271'>conky.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/conky.scm?id=c8b19d97833243e7e89f8ca83a0d641de6516271&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a><span class='msg-avail'>...<span class='msg-tooltip'>This commit was obtained by running:

  ./pre-inst-env guix style

without any additional argument.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-05-07 00:09:33 +0200'>2021-05-07</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=6d6b720ea023d9bb75cd7d310aa867c99d0321ec'>gnu: conky: Enable WLAN support.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/conky.scm (conky)[arguments]: Add "-DBUILD_WLAN=ON"
to #:configure-flags.
[inputs]: Add wireless-tools.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-05-06 23:55:31 +0200'>2021-05-06</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=4002fcfb8b79095664ee4f5a77ee2629142b5482'>gnu: conky: Run tests.</a><span class='msg-avail'>...<span class='msg-tooltip'>There were always tests.

* gnu/packages/conky.scm (conky)[arguments]: Build and run tests.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>
<tr><td><span title='2021-05-06 23:55:12 +0200'>2021-05-06</span></td><td><a href='/guix/commit/gnu/packages/conky.scm?id=dfef3121c35aa7d42324afa106cd9b1579f14153'>gnu: conky: Update to 1.12.2.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/conky.scm (conky): Update to 1.12.2.
</span></span></td><td>Tobias Geerinckx-Rice</td></tr>