message: Update control loop test, so we don't depend on a control dependency in the body of a loop executed zero times.
diff: @@ -734,11 +734,11 @@ class ControlFlowTest(test.TestCase):
  def body_fn(i):
  with ops.control_dependencies([increment]):
  - return i + i
  + return i + 1
  - result = control_flow_ops.while_loop(cond=lambda i: i < 1,
  + result = control_flow_ops.while_loop(cond=lambda i: i < 2,
  body=body_fn, loop_vars=[1])
  - result.eval()
  + self.assertAllEqual(result.eval(), 2)
  self.assertAllEqual(v.eval(), 1.0)
  def testWhileExternalControlDependenciesNoInput(self):
  