message: fixing some incorrect documentation in test cases.
diff: @@ -146,8 +146,6 @@ class MetricsTest(test.TestCase):
  self.assertAllEqual(2.0, m2.result())
  def testNamesWithSpaces(self):
  - # Verify two metrics with the same class and name don't
  - # accidentally share state.
  m1 = metrics.Mean("has space")
  m1(0)
  self.assertEqual(m1.name, "has space")
  @@ -186,8 +184,8 @@ class MetricsTest(test.TestCase):
  self.assertEqual(self.evaluate(value), 2.5)
  def testTwoMeansGraph(self):
  - # Verify two metrics with the same class and name don't
  - # accidentally share state.
  + # Verify two metrics with the same name in the same graph raises a
  + # ValueError.
  with context.graph_mode():
  m1 = metrics.Mean()
  m1(0)
  