[12.x] Add prompts tests (#10643)

* Add prompts tests

* Update prompts.md

---------

Co-authored-by: Taylor Otwell <[email protected]>

Author: AhmedAlaa4611

prompts.md

@@ -22,6 +22,7 @@
 - [Clearing the Terminal](#clear)
 - [Terminal Considerations](#terminal-considerations)
 - [Unsupported Environments and Fallbacks](#fallbacks)
+- [Testing](#testing)
 
 <a name="introduction"></a>
 ## Introduction
@@ -1001,3 +1002,49 @@ TextPrompt::fallbackUsing(function (TextPrompt $prompt) use ($input, $output) {
 ```
 
 Fallbacks must be configured individually for each prompt class. The closure will receive an instance of the prompt class and must return an appropriate type for the prompt.
+
+<a name="testing"></a>
+## Testing
+
+Laravel provides a variety of methods for testing that your command displays the expected Prompt messages:
+
+```php tab=Pest
+test('report generation', function () {
+    $this->artisan('report:generate')
+        ->expectsPromptsInfo('Welcome to the application!')
+        ->expectsPromptsWarning('This action cannot be undone')
+        ->expectsPromptsError('Something went wrong')
+        ->expectsPromptsAlert('Important notice!')
+        ->expectsPromptsIntro('Starting process...')
+        ->expectsPromptsOutro('Process completed!')
+        ->expectsPromptsTable(
+            headers: ['Name', 'Email'],
+            rows: [
+                ['Taylor Otwell', '[email protected]'],
+                ['Jason Beggs', '[email protected]'],
+            ]
+        )
+        ->assertExitCode(0);
+});
+```
+
+```php tab=PHPUnit
+public function test_report_generation(): void
+{
+    $this->artisan('report:generate')
+        ->expectsPromptsInfo('Welcome to the application!')
+        ->expectsPromptsWarning('This action cannot be undone')
+        ->expectsPromptsError('Something went wrong')
+        ->expectsPromptsAlert('Important notice!')
+        ->expectsPromptsIntro('Starting process...')
+        ->expectsPromptsOutro('Process completed!')
+        ->expectsPromptsTable(
+            headers: ['Name', 'Email'],
+            rows: [
+                ['Taylor Otwell', '[email protected]'],
+                ['Jason Beggs', '[email protected]'],
+            ]
+        )
+        ->assertExitCode(0);
+}
+```