new_contents: #! /usr/bin/env python
  
  import os
  
  from tests_list import sim_files
  from cyclus_tools import run_cyclus, db_comparator
  
  """Tests"""
  def test_cyclus():
      """Test for all inputs in sim_files. Checks if reference and current cyclus 
      output is the same.
  
      WARNING: the tests require cyclus executable to be included in PATH
      """
      cwd = os.getcwd()
      
      for sim_input,bench_db in sim_files:
  
          temp_output = [(sim_input, "./output_temp.h5")]
          yield run_cyclus("cyclus", cwd, temp_output)
  
          yield db_comparator(args, bench_db, "./output_temp.h5")
  
          os.remove("./output_temp.h5")
subject: Add main regression test file for cyclus