text: #ifndef __TEST_DIFFUSION_H
  #define __TEST_DIFFUSION_H
  
  // #define KYEL "\x1B[33m"
  #define KGRN "\x1B[32m"
  #define KRED "\x1B[31m"
  #define KNRM "\x1B[0m"
  
  int test_cds_2();
  int test_fds_1();
  int test_bds_1();
  int test_compute_mesh();
  int test_set_diffusivities();
  int test_init_temperatures();
  int test_compute_step();
  int test_solve_diffusion();
  void run(char *file_name);
  int success(char *file_name);
  int failure(char *file_name);
  
  #endif
  