fix missing datasets when defined in Pest.php file

src/Support/DatasetInfo.php

@@ -4,6 +4,8 @@ declare(strict_types=1);
 
 namespace Pest\Support;
 
+use function Pest\testDirectory;
+
 /**
  * @internal
  */
@@ -25,6 +27,10 @@ final class DatasetInfo
 
     public static function scope(string $file): string
     {
+        if (Str::endsWith($file, testDirectory('Pest.php'))) {
+            return dirname($file);
+        }
+
         if (self::isInsideADatasetsDirectory($file)) {
             return dirname($file, 2);
         }