code: def have_feature():
      case = BaseTestFile()
      case.COMM = TestFileSelf.COMM
      case.prefix = TestFileSelf.prefix
      case.setUp()
      case.tearDown()
  
imports: from mpi4py import MPI
  import mpiunittest
  import os, tempfile, pathlib
label_desc: Use image node_id 2 for calling a global function with example usage: have_feature() without return types