tests: Enable live upgrade tests

Signed-off-by: Bo Chen <chen.bo@intel.com>

tests/integration.rs

@@ -9596,51 +9596,43 @@ mod live_migration {
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_basic() {
             _test_live_migration(true, false)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_local() {
             _test_live_migration(true, true)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         #[cfg(not(feature = "mshv"))]
         fn test_live_upgrade_numa() {
             _test_live_migration_numa(true, false)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         #[cfg(not(feature = "mshv"))]
         fn test_live_upgrade_numa_local() {
             _test_live_migration_numa(true, true)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_watchdog() {
             _test_live_migration_watchdog(true, false)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_watchdog_local() {
             _test_live_migration_watchdog(true, true)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_balloon() {
             _test_live_migration_balloon(true, false)
         }
 
         #[test]
-        #[ignore = "See #6134"]
         fn test_live_upgrade_balloon_local() {
             _test_live_migration_balloon(true, true)
         }