Testing modal dialogs show_alert / show_confirm / show_prompt
show_alert() tests
Alert without auto-close
Alert with auto-close (3s)
Alert with HTML
Long message
show_confirm() tests
Confirmation with result handling
Confirm with HTML
Confirmation result:
show_prompt() tests
Prompt with input handling
Prompt with HTML in message
Input result:
Closing alerts
Show alert
Force-close alert