class_docstr: This class is responsible for loading tests according to various criteria
  and returning them wrapped in a TestSuite
code: def _match_path(self, path, full_path, pattern):
      # override this method to use alternative matching strategy
      return fnmatch(path, pattern)
  
imports: import os
  import re
  import sys
  import traceback
  import types
  import functools
  import warnings
  from fnmatch import fnmatch, fnmatchcase
  from .None import case, suite, util
label_desc: Use image node_id 11 for calling the TestLoader obj's underlying member method code with example usage: obj._match_path(path, full_path, pattern) and returns: fnmatch