message: Enable a few control_flow_v2 tests that are now working.
diff: @@ -1816,7 +1816,6 @@ class ControlFlowTest(test.TestCase):
  self.assertEqual(0.0, sess.run(r, {p: False}))
  self.assertEqual([2.0], sess.run(r1, {p: False}))
  - @test_util.disable_control_flow_v2("b/116743589")
  @test_util.run_deprecated_v1
  def testCondWhile_3(self):
  self._testCondWhile_3(use_gpu=False)
  @@ -2755,13 +2754,11 @@ class ControlFlowTest(test.TestCase):
  r = gradients_impl.gradients(r, v)[0]
  self.assertAllClose(1024.0, self.evaluate(r))
  - @test_util.disable_control_flow_v2("b/117519152")
  @test_util.run_deprecated_v1
  def testWhileCondGrad_Simple(self):
  self._testWhileCondGrad_Simple(use_gpu=False)
  self._testWhileCondGrad_Simple(use_gpu=True)
  - @test_util.disable_control_flow_v2("b/117276490")
  @test_util.run_deprecated_v1
  def testWhileCondGrad_UnknownShape(self):
  with self.cached_session() as sess:
  @@ -2882,7 +2879,6 @@ class ControlFlowTest(test.TestCase):
  r = gradients_impl.gradients(r.values, values)[0]
  self.assertAllClose(np.array([1024.0, 1024.0]), self.evaluate(r))
  - @test_util.disable_control_flow_v2("b/115920078 (gradients)")
  @test_util.run_v1_only("b/120545219")
  def testCallGradInLoop(self):
  with self.cached_session() as sess:
  @@ -3045,7 +3041,6 @@ class ControlFlowTest(test.TestCase):
  all_ops = x.graph.get_operations()
  self.assertFalse(any(name in op.name for op in all_ops))
  - @test_util.disable_control_flow_v2("b/117954949")
  @test_util.run_deprecated_v1
  def testWhileGradGradFail(self):
  theta = variables.Variable(initial_value=1.)
  @@ -3116,7 +3111,6 @@ class ControlFlowTest(test.TestCase):
  self.evaluate(q.initializer)
  self.assertAllClose([1., 1.], self.evaluate(dy_dq))
  - @test_util.disable_control_flow_v2("b/115920078 (gradients)")
  @test_util.run_v1_only("b/120545219")
  def testIssue16504(self):
  c = constant_op.constant(np.arange(100), dtype=dtypes.float32)
  