VT MU:Stablize login,finish and virtmanager_offon

lib/virt_autotest/utils.pm

@@ -95,6 +95,7 @@ our @EXPORT = qw(
   get_guest_regcode
   execute_over_ssh
   reboot_virtual_machine
+  reconnect_console_if_not_good
 );
 
 my %log_cursors;
@@ -1435,4 +1436,19 @@ sub reboot_virtual_machine {
     }
 }
 
+# Test console connection bi-directionally and reconnect if not good.
+# This is useful for long time no use consoles.
+sub reconnect_console_if_not_good {
+    my $_console = shift;
+    $_console //= 'root-ssh';
+
+    # Test console connection and reconnect if not good
+    enter_cmd "echo GOOD > /dev/$serialdev";
+    unless (defined(wait_serial 'GOOD', timeout => 30)) {
+        reset_consoles;
+        select_console($_console, await_console => 0);
+    }
+    record_info("Console is good");
+}
+
 1;

tests/console/login.pm

@@ -14,10 +14,12 @@ use warnings;
 use testapi;
 use lib 'sle/tests/virt_autotest';
 use lib 'os-autoinst-distri-opensuse/tests/virt_autotest';
+use virt_autotest::utils qw(reconnect_console_if_not_good);
 
 sub run {
     my $self = shift;
     select_console 'root-ssh';
-    record_info("console logined");
+
+    reconnect_console_if_not_good;
 }
 1;

tests/virtualization/universal/finish.pm

@@ -22,6 +22,7 @@ sub run {
     # See https://progress.opensuse.org/issues/93204
     select_console('root-console');
     select_serial_terminal;
+    reconnect_console_if_not_good('root-serial-ssh');
 
     # Show all guests
     assert_script_run 'virsh list --all';

tests/virtualization/universal/virtmanager_offon.pm

@@ -12,6 +12,7 @@ use warnings;
 use testapi;
 use utils;
 use virtmanager;
+use virt_autotest::utils qw(reconnect_console_if_not_good);
 
 sub run_test {
     my ($self) = @_;
@@ -36,6 +37,11 @@ sub run_test {
     }
 
     wait_screen_change { send_key 'ctrl-q'; };
+
+    # Wait a while untill the ssh console fully reacts after closing the X window of virt-manager
+    sleep 5;
+    # Reconnect if the text console does not respond well after long time no use
+    reconnect_console_if_not_good;
 }
 
 sub test_flags {