text: import os, sys
  from os.path import join
  ROOT_DIR = os.path.abspath(os.curdir)
  if ROOT_DIR not in sys.path:
      sys.path.append(ROOT_DIR)
      sys.path.append(join(ROOT_DIR, 'opmatch'))
  import subprocess as sp
  script = join(ROOT_DIR, 'opmatch','tests', 'call_test.py')
  
  sp.call(['python', script, '10'])