[tests] Pollution test added.

BayesValidRox/BayesInference/BayesInference.py

BayesValidRox/PyLink/FuncForwardModel.py

BayesValidRox/surrogate_models/ExpDesigns.py

BayesValidRox/surrogate_models/surrogate_models.py

BayesValidRox/tests/BeamTest/Test_Beam.py

BayesValidRox/tests/BraninTest/Branin.py

BayesValidRox/tests/BraninTest/Branin_Test.py

BayesValidRox/tests/PollutionTest/MeasuredData.npy

BayesValidRox/tests/PollutionTest/Pollution.py

BayesValidRox/tests/PollutionTest/Pollution_Test.py

...x/tests/PollutionTest/Polynomials/PolynomialBasis_Pa1.npy

...x/tests/PollutionTest/Polynomials/PolynomialBasis_Pa2.npy

...x/tests/PollutionTest/Polynomials/PolynomialBasis_Pa3.npy

...x/tests/PollutionTest/Polynomials/PolynomialBasis_Pa4.npy

...ox/tests/PollutionTest/Polynomials/Roots_degree11_Pa1.npy

...ox/tests/PollutionTest/Polynomials/Roots_degree11_Pa2.npy

...ox/tests/PollutionTest/Polynomials/Roots_degree11_Pa3.npy

...ox/tests/PollutionTest/Polynomials/Roots_degree11_Pa4.npy

...Rox/tests/PollutionTest/Polynomials/Roots_degree6_Pa1.npy

...Rox/tests/PollutionTest/Polynomials/Roots_degree6_Pa2.npy