icc_test_create_path
path = icc_test_create_path(test, path_nodes, 3);
path_cpu = icc_test_create_path(test, nodes_cpu, 3);
path_gpu = icc_test_create_path(test, nodes_gpu, 2);
bulk[0].path = icc_test_create_path(test, nodes_cpu, 3);
bulk[1].path = icc_test_create_path(test, nodes_gpu, 2);