Issue #3304882 by poker10: [D7 PHP 8.2] Deprecated function: Creation of dynamic property in DrupalWebTestCase->prepareEnvironment()

modules/simpletest/drupal_web_test_case.php

@@ -948,6 +948,46 @@ class DrupalWebTestCase extends DrupalTestCase {
    */
   protected $redirect_count;
 
+  /**
+   * The original language.
+   */
+  protected $originalLanguage;
+
+  /**
+   * The original language URL.
+   */
+  protected $originalLanguageUrl;
+
+  /**
+   * The original default language.
+   */
+  protected $originalLanguageDefault;
+
+  /**
+   * The original active installation profile.
+   */
+  protected $originalProfile;
+
+  /**
+   * The original clean_url variable value.
+   */
+  protected $originalCleanUrl;
+
+  /**
+   * The public files directory created for testing purposes.
+   */
+  protected $public_files_directory;
+
+  /**
+   * The private files directory created for testing purposes.
+   */
+  protected $private_files_directory;
+
+  /**
+   * The temporary files directory created for testing purposes.
+   */
+  protected $temp_files_directory;
+
   /**
    * Constructor for DrupalWebTestCase.
    */