Run this test just in uc24

Author: sergiocazzolato

tests/nested/manual/refresh-revert-fundamentals/task.yaml

@@ -4,7 +4,7 @@ details: |
     This test validates the fundamental snaps can be refreshed
     and reverted to the new snaps published to edge channel.
 
-systems: [ubuntu-2*]
+systems: [ubuntu-24*]
 
 environment:
     NESTED_CORE_CHANNEL: beta
@@ -59,7 +59,7 @@ execute: |
             remote.exec "snap watch $REFRESH_ID" || true
             remote.exec "sudo reboot" || true
             ;;
-        pc-kernel|core20)
+        pc-kernel|core24)
             # don't manually reboot, wait for automatic snapd reboot
             ;;
     esac
@@ -71,7 +71,7 @@ execute: |
 
     echo "Check the change is completed"
     case "$SNAP" in
-        pc-kernel|core20)
+        pc-kernel|core24)
             #shellcheck disable=SC2098
             #shellcheck disable=SC2097
             retry --wait 1 -n 10 --env REFRESH_ID="$REFRESH_ID" sh -c "remote.exec snap changes | MATCH \"$REFRESH_ID\s+Done\s+.*\""
@@ -90,7 +90,7 @@ execute: |
             remote.exec "snap watch $REVERT_ID" || true
             remote.exec "sudo reboot" || true
             ;;
-        pc-kernel|core20)
+        pc-kernel|core24)
             # don't manually reboot, wait for automatic snapd reboot
             ;;
     esac
@@ -101,7 +101,7 @@ execute: |
 
     echo "Check the change is completed"
     case "$SNAP" in
-        pc-kernel|core20)
+        pc-kernel|core24)
             retry --wait 1 -n 10 --env REVERT_ID="$REVERT_ID" sh -c "remote.exec snap changes | MATCH \"$REVERT_ID\s+Done\s+.*\""
             ;;
     esac