diff --git a/Triangulation_on_sphere_2/test_dts_illegal_points.cpp b/Triangulation_on_sphere_2/test/Triangulation_on_sphere_2/test_dts_illegal_points.cpp
similarity index 100%
rename from Triangulation_on_sphere_2/test_dts_illegal_points.cpp
rename to Triangulation_on_sphere_2/test/Triangulation_on_sphere_2/test_dts_illegal_points.cpp