tests → methods Relation

File in src/mlpack/tests	Includes file in src/mlpack/methods
custom_layer.hpp	ann / layer / layer.hpp
main_tests / hmm_test_utils.hpp	hmm / hmm.hpp
main_tests / range_search_utils.hpp	range_search / rs_model.hpp
test_function_tools.hpp	logistic_regression / logistic_regression.hpp