This patch comes from Debian.

https://bugzilla.gnome.org/show_bug.cgi?id=771052
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=835737

--- gcr-3.20.0.old/gcr/test-gnupg-collection.c	2017-06-29 14:26:33.810838197 -0400
+++ gcr-3.20.0/gcr/test-gnupg-collection.c	2017-06-30 17:25:09.149383067 -0400
@@ -115,6 +115,14 @@

	g_object_unref (test->collection);

+	/* remove potential gpg 2.1 extras, ignore any errors. */
+	cmd = g_strdup_printf ("rm -rf %s/*.d", test->directory);
+	system(cmd);
+	g_free(cmd);
+	cmd = g_strdup_printf ("rm -f %s/.gpg-v21-migrated", test->directory);
+	system(cmd);
+	g_free(cmd);
+
	cmd = g_strdup_printf ("rm -f %s/*", test->directory);
	g_spawn_check_exit_status (system (cmd), &error);
	g_assert_no_error (error);
@@ -202,7 +210,7 @@
	GcrGnupgKey *key;

	_gcr_gnupg_collection_load_async (test->collection, NULL, on_async_ready, test);
-	egg_test_wait_until (500);
+	egg_test_wait_until (2500);
	g_assert (test->result);
	_gcr_gnupg_collection_load_finish (test->collection, test->result, &error);
	g_assert_no_error (error);
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<tr><td><span title='2024-04-14 10:29:07 +0200'>2024-04-14</span></td><td><a href='/guix/commit/doc/images/gcc-core-mesboot0-graph.dot?id=076670f7acb740e2bfbd8e3c8ef1be5221ed75c5'>doc: Use "dejavu sans" instead of "Helvetica" or "sans" in dot images.</a><span class='msg-avail'>...<span class='msg-tooltip'>Font-dejavu is (now) an input of fontconfig.  Specifying "dejavu sans" makes
generated images reproducible even when other fonts are installed (notably
font-google-noto).

* doc/images/bootstrap-graph.dot,
doc/images/bootstrap-packages.dot,
doc/images/coreutils-bag-graph.dot,
doc/images/coreutils-graph.dot,
doc/images/gcc-core-mesboot0-graph.dot,
doc/images/service-graph.dot,
doc/images/shepherd-graph.dot: Use fontname = "dejavu sans".
* doc/guix.texi (Full-Source Bootstrap): Update gcc-core-mesboot0.dot recipe
accordingly.

Change-Id: If21d7d39d45c66de5bceafb7b825a057d540ee50
</span></span></td><td>Janneke Nieuwenhuizen</td></tr>
<tr><td><span title='2022-05-12 19:27:59 +0200'>2022-05-12</span></td><td><a href='/guix/commit/doc/images/gcc-core-mesboot0-graph.dot?id=eeba993f570483345acd59c2d8709fd5d7ee7ae7'>doc: Add the "Full-source Bootstrap".</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Reduced Binary Seed Bootstrap): Update and rename to...
(Full-Source Bootstrap): ...this.
* doc/images/gcc-core-mesboot0-graph.dot: Regenerate.
</span></span></td><td>Jan (janneke) Nieuwenhuizen</td></tr>
<tr><td><span title='2020-05-22 16:11:52 +0200'>2020-05-22</span></td><td><a href='/guix/commit/doc/images/gcc-core-mesboot0-graph.dot?id=cd5d5f53228fd5bf96d9f790aa2606ae71fa68d7'>doc: Update 'Bootstrapping' for further binary seed reduction.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/images/gcc-core-mesboot0-graph.dot: New image, replacing
* doc/images/gcc-mesboot0-bag-graph.dot: ... remove file.
* doc/local.mk (DOT_FILES): Update for new image file.
* doc/guix.texi (Reduced Binary Seed Bootstrap): Use it in updated description
of further reduction of the trusted computing base.
</span></span></td><td>Jan Nieuwenhuizen</td></tr>