old_contents: import os
  
  if __name__ == "__main__":
      for f in os.listdir("./build/test/"):
          if f.find("Test_") != -1:
              os.system(f + os.getcwd() + '/test/data/')
  
new_contents: import os
  
  if __name__ == "__main__":
      for f in os.listdir("./build/test/"):
          if f.find("Test_") != -1:
              os.system(f + " " + os.getcwd() + '/test/data/')
  
subject: add space