Drupal 10 deprecation error details

Call to deprecated function simpletest_classloader_register(). Deprecated in Drupal 8.3.x for removal before 9.0.0 release. Use Drupal::service('test_discovery')->registerTestNamespaces() instead.

Occurence count Affected project count Occurs in a top X project by usage Category
1 1 10000 Drupal API, not rector covered
Filter projects
Project Top X by usage Occurrences Sort ascending
simpletest 3.x-dev 10000 1

Results are from dataset #9317 from 2023-01-29T14:42. Report is ran by the Drupal Association regularly.