[tests] Update tests to match new classes

.gitignore

Outputs_Bayes_None_Calib/emcee_sampler.h5

src/bayesvalidrox/bayes_inference/bayes_inference.py

src/bayesvalidrox/bayes_inference/mcmc.py

src/bayesvalidrox/surrogate_models/sequential_design.py

src/bayesvalidrox/surrogate_models/surrogate_models.py

tests/test_BayesInference.py

tests/test_SequentialDesign.py