[8.x] Adds Pest 3 support (#1141)

* Adds Pest 3 support

* Apply fixes from StyleCI

* Update InstallCommand.php

* Update InstallCommand.php

---------

Co-authored-by: StyleCI Bot <[email protected]>

Author: nunomaduro

src/Console/InstallCommand.php

@@ -64,14 +64,24 @@ public function handle()
 
             $contents = file_get_contents(base_path('tests/Pest.php'));
 
-            $contents = str_replace('<?php', <<<EOT
-            <?php
-
-            uses(
-                Tests\DuskTestCase::class,
-                // Illuminate\Foundation\Testing\DatabaseMigrations::class,
-            )->in('Browser');
-            EOT, $contents);
+            if (str_contains($contents, 'uses(')) {
+                $contents = str_replace('<?php', <<<EOT
+                    <?php
+
+                    uses(
+                        Tests\DuskTestCase::class,
+                        // Illuminate\Foundation\Testing\DatabaseMigrations::class,
+                    )->in('Browser');
+                    EOT, $contents);
+            } else {
+                $contents = str_replace('<?php', <<<EOT
+                    <?php
+
+                    pest()->extend(Tests\DuskTestCase::class)
+                    //  ->use(Illuminate\Foundation\Testing\DatabaseMigrations::class)
+                        ->in('Browser');
+                    EOT, $contents);
+            }
 
             file_put_contents(base_path('tests/Pest.php'), $contents);
         } else {