Change Details

Generated json files with `swh/loader/mercurial/tests/data/build.py` for existing repositories and added them to `Hg20BundleLoader` tests.

Generated json files with `swh/loader/mercurial/tests/data/build.py` for existing repositories and added them to `Hg20BundleLoader` tests. Introduce `DVCSLoaderChecker` as a standardized way to test repositories against json files.

Generated json files with `swh/loader/mercurial/tests/data/build.py` for existing repositories and added them to `Hg20BundleLoader` tests. Introduce `DVCSLoaderChecker` as a standardized way to test repositories against json files.