Add Aqua tests and clean up

[simsurace]

• Add Aqua tests. There are some type piracy warnings, not sure if they are serious
• Get rid of some deprecation warnings due to Distributions.Product

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.45%. Comparing base (fccaf89) to head (7ec0d36).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #103 +/- ## ========================================== + Coverage 96.40% 96.45% +0.05% ========================================== Files 11 11 Lines 139 141 +2 ========================================== + Hits 134 136 +2 Misses 5 5 ```

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