tests: Simplify mercurial loading task creation tests implementation
Use helper fixture loading_task_creation_for_listed_origin_test
from
swh-loader-core
and remove redundant tests.
Migrated from D8702 (view on Phabricator)
Staging instance, all changes can be removed at any time
Use helper fixture loading_task_creation_for_listed_origin_test
from
swh-loader-core
and remove redundant tests.
Migrated from D8702 (view on Phabricator)