class_docstr: Tests the env variable or the command line flag to filter tests.
docstr: Adjust tests_to_run in case value parameterized tests are disabled.
code: def AdjustForParameterizedTests(self, tests_to_run):
      """Adjust tests_to_run in case value parameterized tests are disabled."""
  
      global param_tests_present
      if not param_tests_present:
          return list(set(tests_to_run) - set(PARAM_TESTS))
      else:
          return tests_to_run
  
imports: import os
  import re
  import sys
  from googletest.test import gtest_test_utils
label_desc: Use image node_id 3 for calling the GTestFilterUnitTest obj's underlying member method code with example usage: obj.AdjustForParameterizedTests(tests_to_run) and returns: list, tests_to_run