Avoid relying on filesystem macro values in test suite

Avoid relying on filesystem macro values in test suite

- The test-suite expected results are hardcoded, so we can't rely
  on rpm-defined macros as those reflect rpm's own configuration
  which could be something entirely different than our expectations.
- Fixes another big pile of false positives in the test suite
(cherry picked from commit 62e73943576acf19d212cac4f54b8c449c69531b)