TEST-53-ISSUE-16347: Add rtc configuration for qemu

test/TEST-53-ISSUE-16347/meson.build

@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+test_params += {
+        'mkosi_args' : test_params['mkosi_args'] + [
+                '--configure-script', meson.current_source_dir() / 'mkosi.configure',
+        ],
+}

test/TEST-53-ISSUE-16347/mkosi.configure

@@ -0,0 +1,6 @@
+#!/bin/bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -e
+
+RTC="$(date -u +%Y-%m-%dT%H:%M:%S -d "+3 days")"
+jq ".QemuArgs += [\"-rtc\", \"base=$RTC\"]"