Fix linter for test

opentelemetry-sdk/tests/logs/test_logger_provider_cache.py

@@ -27,40 +27,43 @@ class TestLoggerProviderCache(unittest.TestCase):
 
     def test_get_logger_single_handler(self):
         handler, logger_provider = set_up_logging_handler(level=logging.DEBUG)
-
+        # pylint: disable=protected-access
+        logger_cache = logger_provider._logger_cache
         logger = create_logger(handler, "test_logger")
 
         # Ensure logger is lazily cached
-        self.assertEqual(0, len(logger_provider._logger_cache))
+        self.assertEqual(0, len(logger_cache))
 
         logger.warning("test message")
 
-        self.assertEqual(1, len(logger_provider._logger_cache))
+        self.assertEqual(1, len(logger_cache))
 
         # Ensure only one logger is cached
         rounds = 100
         for _ in range(rounds):
             logger.warning("test message")
 
-        self.assertEqual(1, len(logger_provider._logger_cache))
+        self.assertEqual(1, len(logger_cache))
 
     def test_get_logger_multiple_loggers(self):
         handler, logger_provider = set_up_logging_handler(level=logging.DEBUG)
+        # pylint: disable=protected-access
+        logger_cache = logger_provider._logger_cache
 
         num_loggers = 10
         loggers = [create_logger(handler, str(i)) for i in range(num_loggers)]
 
         # Ensure loggers are lazily cached
-        self.assertEqual(0, len(logger_provider._logger_cache))
+        self.assertEqual(0, len(logger_cache))
 
         for logger in loggers:
             logger.warning("test message")
 
-        self.assertEqual(num_loggers, len(logger_provider._logger_cache))
+        self.assertEqual(num_loggers, len(logger_cache))
 
         rounds = 100
         for _ in range(rounds):
             for logger in loggers:
                 logger.warning("test message")
 
-        self.assertEqual(num_loggers, len(logger_provider._logger_cache))
+        self.assertEqual(num_loggers, len(logger_cache))