Add some tests of reproducibility when given a fixed random seed

[jeremykubica]

Add some end to end tests where we give a random seed and confirm we get the same results.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.47%. Comparing base (7337e39) to head (8b96d0f).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #785   +/-   ##
=======================================
  Coverage   92.47%   92.47%           
=======================================
  Files          71       71           
  Lines        6737     6737           
=======================================
  Hits         6230     6230           
  Misses        507      507           

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[github-actions]

Before [7337e39] <v0.3.7>	After [28b2682]	Ratio	Benchmark (Parameter)
709±50μs	803±60μs	~1.13	benchmarks.TimeSuite.time_fnu_to_flam
1.23±0.02ms	1.32±0.05ms	1.07	benchmarks.TimeSuite.time_apply_passbands
2.61±0.8ms	2.70±0.8ms	1.03	benchmarks.TimeSuite.time_evaluate_simple_linear_wavelength_model
180±3μs	185±2μs	1.03	benchmarks.TimeSuite.time_make_and_evaluate_step_model
5.58±0.1ms	5.67±0.05ms	1.02	benchmarks.TimeSuite.time_evaluate_salt3_passbands
47.0±0.6ms	47.7±0.8ms	1.02	benchmarks.TimeSuite.time_make_evaluate_constant_sed_model
36.7±0.7μs	37.3±0.4μs	1.02	benchmarks.TimeSuite.time_make_simple_linear_wavelength_model
23.8±0.3ms	23.9±0.2ms	1.01	benchmarks.TimeSuite.time_chained_evaluate_sed
117±2ms	117±0.6ms	1.00	benchmarks.TimeSuite.time_additive_multi_model_source
7.98±0.09ms	7.95±0.09ms	1.00	benchmarks.TimeSuite.time_apply_white_noise

Click here to view all benchmarks.