def METHOD_NAME(self):
    environ = {
        'AWS_CA_BUNDLE': '/path/to/env_bundle.pem',
    }
    with mock.patch('os.environ', environ):
        parsed_args = FakeParsedArgs(
            verify_ssl=True,
            ca_bundle='/path/to/cli_bundle.pem')
        config_file_vars = {}
        session_var_map = {'ca_bundle': ('ca_bundle', 'AWS_CA_BUNDLE')}
        session = FakeSession(
            session_vars=session_var_map,
            config_file_vars=config_file_vars)
        globalargs.resolve_verify_ssl(parsed_args, session)
        self.assertEqual(parsed_args.verify_ssl, '/path/to/cli_bundle.pem')