class_docstr: Test cases for ftrl ops.
docstr: Test that if accum_new == accum, linear doesn't change.
docstr_tok: ["Test","that","if","accum_new","==","accum",",","linear","does","n't","change","."]
code: def testLinearNoGradient(self):
      """Test that if accum_new == accum, linear doesn't change."""
      _, _, linear = self._eval(
          var=np.ones((1, 3, 2)),
          accum=[[[1, 3], [2, 5], [6, 8]]],
          linear=[[[1, 2], [3, 4], [5, 6]]],
          grad=np.zeros((1, 3, 2)),  # make accum_new == acum
          lr=1,
          l1=3,
          l2=7,
          lr_power=2,
      )
      self.assertAllClose([[[1, 2], [3, 4], [5, 6]]], linear)
  
imports: import numpy
  from tensorflow.compiler.tests import xla_test
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import gen_training_ops
  from tensorflow.python.ops import resource_variable_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 4 for calling the ResourceApplyFtrlTest obj's underlying member method code with example usage: obj.testLinearNoGradient() without return types