Add tests for pulse parametrization

[codecov[bot]]

Codecov Report

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

Comparison is base (38dacfc) 61.8% compared to head (47669d1) 79.2%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #56 +/- ## ========================================= + Coverage 61.8% 79.2% +17.4% ========================================= Files 6 6 Lines 397 402 +5 ========================================= + Hits 245 318 +73 + Misses 152 84 -68 ```

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