https://www.drupal.org/node/3268105
Bring back RestRegisterUserTest into user module (without HAL) [#3268105] | Drupal.org
Apr 18, 2022 - Problem/Motivation [#3263654] moved all HAL tests out of the module, but some of them were generic tests using HAL rather than tests of HAL, so we need to move...
bring backuser
https://api.drupal.org/api/drupal/core%21modules%21user%21tests%21src%21Functional%21RestRegisterUserTest.php/function/RestRegisterUserTest%3A%3AregisterUser/8.9.x
function RestRegisterUserTest::registerUser | Drupal API
functiondrupalapi