tests → testing Relation

File in src/math/tests	Includes file in src/testing
BarycenterTest.cpp	TestContext.hpp
BarycenterTest.cpp	Testing.hpp
BSplineTest.cpp	TestContext.hpp
BSplineTest.cpp	Testing.hpp
DifferencesTest.cpp	TestContext.hpp
DifferencesTest.cpp	Testing.hpp
GeometryTest.cpp	TestContext.hpp
GeometryTest.cpp	Testing.hpp
MathTest.cpp	TestContext.hpp
MathTest.cpp	Testing.hpp