code: def testInfNanMonitorStartsWithEmptyAlerts(self):
      mock_reader = test.mock.MagicMock()
      monitor = debug_events_monitors.InfNanMonitor(mock_reader)
      self.assertEmpty(monitor.alerts())
  
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.core.protobuf import debug_event_pb2
  from tensorflow.python.debug.lib import debug_events_monitors
  from tensorflow.python.debug.lib import debug_events_reader
  from tensorflow.python.debug.lib import dumping_callback
  from tensorflow.python.debug.lib import dumping_callback_test_lib
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import googletest
  from tensorflow.python.platform import test
label_desc: Use image node_id 1 for calling the InfNanMonitorTest obj's underlying member method code with example usage: obj.testInfNanMonitorStartsWithEmptyAlerts() without return types