the status of the ControllerModifyVolume operation. It can be in any of following states:\n - Pending\n   Pending indicates that the PersistentVolumeClaim cannot be modified due to unmet requirements, such as\n   the specified VolumeAttributesClass not existing.\n - InProgress\n   InProgress indicates that the volume is being modified.\n - Infeasible\n  Infeasible indicates that the request has been rejected as invalid by the CSI driver. To\n\t  resolve the error, a valid VolumeAttributesClass needs...

		}
		if diff := cmp.Diff(originalNewPV, scenario.newPV); len(diff) > 0 {
			t.Errorf("newPV was modified: %s", diff)
		}
		if diff := cmp.Diff(originalOldPV, scenario.oldPV); len(diff) > 0 {
			t.Errorf("oldPV was modified: %s", diff)
		}
	}
}

func TestValidatePeristentVolumeAttributesClassUpdate(t *testing.T) {
	scenarios := map[string]struct {

        `axis` args.
    *   Update `tf.map_fn` to support RaggedTensors and SparseTensors.
    *   Deprecate `tf.group`. It is not useful in eager mode.
    *   Add CPU and GPU implementation of modified variation of
        [`FTRL`](https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/raw_ops/ApplyFtrl)/[`FTRLV2`](https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/raw_ops/ApplyFtrlV2)

  let summary = [{
Holds state in the form of a tensor that persists across steps.
  }];

  let description = [{
Outputs a ref to the tensor state so it may be read or modified.
TODO(zhifengc/mrry): Adds a pointer to a more detail document
about sharing states in tensorflow.
  }];

  let arguments = (ins
    TF_ShapeAttr:$shape,