message: Fix up compute set name issue
diff: @@ -473,6 +473,7 @@ class IpuFuseOpsTest(test_util.TensorFlowTestCase):
  s = tu.extract_all_strings_from_event_trace(result)
  cs_list = tu.get_compute_sets_from_report(s)
  +
  ok = [
  '__seed*',
  'Copy_',
  @@ -482,8 +483,8 @@ class IpuFuseOpsTest(test_util.TensorFlowTestCase):
  'vs/conv2d_1/BiasAdd/fusion.2/addToChannel',
  'GradientDescent/update_vs/conv2d/bias/ResourceApplyGradientDescent/fusion.3/ReduceFinalStage/IntermediateToOutput/Reduce',
  'GradientDescent/update_vs/conv2d/bias/ResourceApplyGradientDescent/fusion*/negate/Op/Negate',
  - 'gradients/vs/conv2d_1/Conv2D_grad/Conv2DBackpropFilter/fusion*/Conv_4x4/',
  - 'gradients/vs/conv2d_1/Conv2D_grad/Conv2DBackpropFilter/fusion*/AddTo',
  + 'gradients/vs/conv2d/Conv2D_grad/Conv2DBackpropFilter/fusion*/Conv_4x4/',
  + 'gradients/vs/conv2d/Conv2D_grad/Conv2DBackpropFilter/fusion*/AddTo',
  'GradientDescent/update_vs/conv2d_1/bias/ResourceApplyGradientDescent/multiply*/Op/Multiply',
  'GradientDescent/update_vs/conv2d_1/bias/ResourceApplyGradientDescent/fusion*/AddTo',
  'vs/conv2d/BiasAdd/fusion*/addToChannel',
  