Move sharable fixtures out of conftest into a dedicated pytest plugin

Relatedly to olasd's work on scheduler [1]

Do the same on storage fixture. That should ease some test setup on loaders after that.

• [1] swh/devel/swh-scheduler!147 (closed)

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Migrated from T2484 (view on Phabricator)

marked this issue as related to #2481 (closed)

added Core Loader Git loader Mercurial loader SVN Loader priority:Normal labels

mentioned in commit swh/devel/swh-storage@c21d0e38

assigned to @ardumont

closed

mentioned in commit swh/devel/swh-storage@23318c21

Reopening as i'm still refactoring/cleaning up more modules.

reopened

mentioned in commit swh/devel/swh-loader-core@54cc0adc

mentioned in commit swh/devel/swh-loader-core@e1034bfe

mentioned in commit swh/devel/swh-storage@b6971b51

mentioned in commit swh/devel/swh-loader-git@f96ec771

mentioned in commit swh/devel/swh-loader-svn@b055be09

mentioned in commit swh/devel/swh-loader-mercurial@b3c2d54a

closed