message: Update monitors_test.py
  Move from contrib to training
diff: @@ -27,7 +27,6 @@ from six.moves import xrange # pylint: disable=redefined-builtin
  from tensorflow.contrib import testing
  from tensorflow.contrib.framework.python.framework import checkpoint_utils
  -from tensorflow.contrib.framework.python.ops import variables as variables_lib
  from tensorflow.contrib.learn.python import learn
  from tensorflow.contrib.learn.python.learn import estimators
  from tensorflow.python.client import session as session_lib
  @@ -43,6 +42,7 @@ from tensorflow.python.summary import summary
  from tensorflow.python.training import gradient_descent
  from tensorflow.python.training import monitored_session
  from tensorflow.python.training import saver
  +from tensorflow.python.training import training_util
  class _MyEveryN(learn.monitors.EveryN):
  @@ -616,7 +616,7 @@ class CheckpointSaverTest(test.TestCase):
  self.graph = ops.Graph()
  with self.graph.as_default():
  self.scaffold = monitored_session.Scaffold()
  - self.global_step = variables_lib.get_or_create_global_step()
  + self.global_step = training_util.get_or_create_global_step()
  self.train_op = state_ops.assign_add(self.global_step, 1)
  def tearDown(self):
  @@ -780,7 +780,7 @@ class RunHookAdapterForMonitorsTest(test.TestCase):
  def test_calls_and_steps(self):
  with ops.Graph().as_default(), session_lib.Session() as sess:
  - global_step_tensor = variables_lib.create_global_step()
  + global_step_tensor = training_util.create_global_step()
  inc_5 = state_ops.assign_add(global_step_tensor, 5)
  mock_mon = FakeMonitor()
  mock_mon2 = FakeMonitor()
  @@ -821,7 +821,7 @@ class RunHookAdapterForMonitorsTest(test.TestCase):
  def test_requests(self):
  with ops.Graph().as_default(), session_lib.Session() as sess:
  - variables_lib.create_global_step()
  + training_util.create_global_step()
  mock_mon = FakeMonitor()
  mock_mon2 = FakeMonitor()
  