Fix test: specify event names to avoid running WordPress core events

The test was failing because --due-now was executing all due events
including WordPress core events like wp_version_check, wp_update_plugins, etc.
Changed to run specific test events by name to get predictable results.

Co-authored-by: swissspidy <841956+swissspidy@users.noreply.github.com>

Author: Copilot

features/cron-event.feature

@@ -184,7 +184,7 @@ Feature: Manage WP Cron events
       Success: Scheduled event with hook 'wp_cli_network_test_site2'
       """
 
-    When I run `wp cron event run --due-now --network`
+    When I run `wp cron event run wp_cli_network_test wp_cli_network_test_site2 --due-now --network`
     Then STDOUT should contain:
       """
       Executed the cron event 'wp_cli_network_test'