class_docstr: Test rule import logic with a mocked filesystem.
class_docstr_tok: ["Test","rule","import","logic","with","a","mocked","filesystem","."]
docstr: Rule - Python File Paths
docstr_tok: ["Rule","-","Python","File","Paths"]
code: def test_python_rule_paths():
      """Rule - Python File Paths"""
      result = set(_python_file_paths("matchers", "rules"))
      expected = {
          "matchers/default.py",
          "rules/example.py",
          "rules/community/cloudtrail/critical_api.py",
      }
      assert_equal(expected, result)
  
file_path: streamalert/tests/unit/streamalert/shared/test_importer.py
imports: from mock import call, patch
  from nose.tools import assert_equal, assert_raises
  from pyfakefs import fake_filesystem_unittest
  from streamalert.shared.importer import import_folders, _path_to_module, _python_file_paths
label_desc: Use image node_id 2 for calling the RuleImportTest obj's underlying member method code with example usage: obj.test_python_rule_paths() without return types