Disable the qtest-aarch64/migration-test, which sometimes fail non-deterministically.
See: https://gitlab.com/qemu-project/qemu/-/issues/1230.

--- qemu-7.1.0/tests/qtest/meson.build.old	1969-12-31 19:00:01.000000000 -0500
+++ qemu-7.1.0/tests/qtest/meson.build	2022-09-26 11:11:05.434209797 -0400
@@ -219,7 +219,6 @@
   ['arm-cpu-features',
    'numa-test',
    'boot-serial-test',
-   'migration-test',
    'bcm2835-dma-test']
 
 qtests_s390x = \
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<tr><td><span title='2023-08-16 21:34:13 -0400'>2023-08-16</span></td><td><a href='/guix/commit/tests/guix-time-machine.sh?id=79ec651a286c71a3d4c72be33a1f80e76a560031'>scripts: time-machine: Error when attempting to visit too old commits.</a><span class='msg-avail'>...<span class='msg-tooltip'>* doc/guix.texi (Invoking guix time-machine): Document limitation.
* guix/inferior.scm (cached-channel-instance): New VALIDATE-CHANNELS
argument.  Use it to validate channels when there are no cache hit.
* guix/scripts/time-machine.scm
(%options): Tag the given reference with 'tag-or-commit instead of 'commit.
(%oldest-possible-commit): New variable.
(guix-time-machine) &lt;validate-guix-channel&gt;: New nested procedure.  Pass it to
the 'cached-channel-instance' call.
* tests/guix-time-machine.sh: New test.
* Makefile.am (SH_TESTS): Register it.

Suggested-by: Simon Tournier &lt;zimon.toutoune@gmail.com&gt;
Reviewed-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
Reviewed-by: Simon Tournier &lt;zimon.toutoune@gmail.com&gt;
</span></span></td><td>Maxim Cournoyer</td></tr>