* Use static test data providers
Using non-static methods as a data providers was deprecated in phpunit
10.
* Rename abstract test class
Abstract test case classes with Test suffix are deprecated in PHPUnit
10. We also change the ArchiverTest file name to match the new class
name (ArchiverTestCase).
* https://github.com/sebastianbergmann/phpunit/issues/5132
any tests that use the filesystem should have their own unique directory, as we run our test suite in parallel and
cleanup of tests (removing directories) should not interfere with currently running tests
Athos Ribeiro