maven: Simplify tests with requests_mock_datadir fixture
Use mocked network requests to get jar and pom files instead of reading them from the datadir directory.
Migrated from D8839 (view on Phabricator)
Staging instance, all changes can be removed at any time
Use mocked network requests to get jar and pom files instead of reading them from the datadir directory.
Migrated from D8839 (view on Phabricator)