Fix fail in WebfingerTest.php

Also it would be a good idea to fix up the use of dynamic properties:

Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerLocalizedTest::$adminUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 40                                                                                                                                                                        
                                                                                                                                                                                              
Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerLocalizedTest::$authenticatedUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 41                                                                                                                                                                
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Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerLocalizedTest::$adminUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 40                                                                                                                                                                        
                                                                                                                                                                                              
Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerLocalizedTest::$authenticatedUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 41

Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerTest::$adminUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 40

Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerTest::$authenticatedUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 41
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Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerTest::$adminUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 40

Deprecated: Creation of dynamic property Drupal\Tests\webfinger\Functional\WebfingerTest::$authenticatedUser is deprecated in /var/www/html/modules/webfinger/tests/src/Functional/WebfingerTestBase.php on line 41

I'm pretty sure that we don't need to drupalLogout anymore before the test in webfingerResponseHelper:96.

Would it also be better to get a fresh $page = $this->getSession()->getPage(); after each drupalGet call?

Would it also be better to get a fresh $page = $this->getSession()->getPage(); after each drupalGet call?

Seems to be fine, so leaving as is. Tests are green (apart from the current todo in localized)

Do you want to try checking if localize will pass now?

Fails locally as well, at least on D11 - will double check if I can fix it

Guess not. It was worth a shot :D

merged, opened another issue for the localized test