Remove `os.environ` manipulation in tests
The explanation is inside the patch. We also add the HGSKIPREPO
variable that I forgot to add in the test environment.
Migrated from D5691 (view on Phabricator)
Staging instance, all changes can be removed at any time
The explanation is inside the patch. We also add the HGSKIPREPO
variable that I forgot to add in the test environment.
Migrated from D5691 (view on Phabricator)