[12.x] Make the PendingCommand class tappable.

src/Illuminate/Testing/PendingCommand.php

@@ -10,6 +10,7 @@
 use Illuminate\Support\Arr;
 use Illuminate\Support\Traits\Conditionable;
 use Illuminate\Support\Traits\Macroable;
+use Illuminate\Support\Traits\Tappable;
 use Mockery;
 use Mockery\Exception\NoMatchingExpectationException;
 use PHPUnit\Framework\TestCase as PHPUnitTestCase;
@@ -21,8 +22,7 @@
 
 class PendingCommand
 {
-    use Conditionable;
-    use Macroable;
+    use Conditionable, Macroable, Tappable;
 
     /**
      * The test being run.

tests/Integration/Testing/ArtisanCommandTest.php

@@ -55,6 +55,16 @@ protected function setUp(): void
         Artisan::command('contains', function () {
             $this->line('My name is Taylor Otwell');
         });
+
+        Artisan::command('new-england', function () {
+            $this->line('The region of New England consists of the following states:');
+            $this->info('Connecticut');
+            $this->info('Maine');
+            $this->info('Massachusetts');
+            $this->info('New Hampshire');
+            $this->info('Rhode Island');
+            $this->info('Vermont');
+        });
     }
 
     public function test_console_command_that_passes()
@@ -275,6 +285,27 @@ public function test_console_command_that_fails_if_the_output_does_not_contain()
         });
     }
 
+    public function test_pending_command_can_be_tapped()
+    {
+        $newEngland = [
+            'Connecticut',
+            'Maine',
+            'Massachusetts',
+            'New Hampshire',
+            'Rhode Island',
+            'Vermont',
+        ];
+
+        $this->artisan('new-england')
+            ->expectsOutput('The region of New England consists of the following states:')
+            ->tap(function ($command) use ($newEngland) {
+                foreach ($newEngland as $state) {
+                    $command->expectsOutput($state);
+                }
+            })
+            ->assertExitCode(0);
+    }
+
     /**
      * Don't allow Mockery's InvalidCountException to be reported. Mocks setup
      * in PendingCommand cause PHPUnit tearDown() to later throw the exception.