Adding missing testing files

test_data/csv_out_test.csv

test_data/csv_out_unk_test.csv

test_data/raw_read_sv_test.bin

test_data/test_graph2_test.graphml

test_data/test_graph_test.graphml

test_data/vtk_box_3D_2_test.vtk

test_data/vtk_box_3D_test.vtk

test_data/vtk_box_test.vtk

test_data/vtk_graph_test.vtk

test_data/vtk_graph_v2_test.vtk

test_data/vtk_graph_v3_test.vtk

test_data/vtk_graph_v4_test.vtk

test_data/vtk_grids_prp_test.vtk

test_data/vtk_grids_st_test.vtk

test_data/vtk_grids_test.vtk

test_data/vtk_points_bin_test.vtk

test_data/vtk_points_pp_bin_test.vtk

test_data/vtk_points_pp_test.vtk

test_data/vtk_points_test.vtk