Recover only yast logs in Agama auto-install

See https://progress.opensuse.org/issues/128489

Adding a post_fail_hook directly in the module to use the default
installer password and just upload y2logs, as it seems like there
is nothing that does only that in the libs.

lib/yam/agama/agama_base.pm

@@ -0,0 +1,20 @@
+## Copyright 2023 SUSE LLC
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+# Summary: base class for Agama tests
+# Maintainer: QE YaST and Migration (QE Yam) <qe-yam at suse de>
+
+package yam::agama::agama_base;
+use base 'opensusebasetest';
+use strict;
+use warnings;
+use testapi 'select_console';
+use y2_base 'save_upload_y2logs';
+
+sub post_fail_hook {
+    $testapi::password = 'linux';
+    select_console 'root-console';
+    y2_base::save_upload_y2logs;
+}
+
+1;

tests/yam/agama/auto.pm

@@ -4,7 +4,7 @@
 # Summary: First installation using D-Installer current CLI (only for development purpose)
 # Maintainer: QE YaST and Migration (QE Yam) <qe-yam at suse de>
 
-use base 'y2_installbase';
+use base yam::agama::agama_base;
 use strict;
 use warnings;