def _filter_suite(suite, pred):
    newtests = []
    for test in suite._tests:
        if isinstance(test, unittest.TestSuite):
            _filter_suite(test, pred)
            newtests.append(test)
        else:
            if pred(test):
                newtests.append(test)
    suite._tests = newtests
Verify ocsp stapling for domain.
dataset/ETHPy150Open OpenCobolIDE/OpenCobolIDE/open_cobol_ide/extlibs/future/backports/test/support.py/_filter_suite--crossover with--dataset/ETHPy150Open letsencrypt/letsencrypt/certbot-compatibility-test/certbot_compatibility_test/validator.py/Validator.ocsp_stapling