code: def __init__(self, srcs, dsts, weights, name):
      self.srcs = srcs
      self.dsts = dsts
      self.weights = weights
      self.name = name
      self.is_valid = not (name.startswith("Invalid"))
  
file_path: cugraph/python/pylibcugraph/pylibcugraph/tests/conftest.py
imports: import pandas
  import cupy
  import numpy
  import pytest
  from pylibcugraph.testing import utils
label_desc: Use image node_id 1 to create a new COOTestGraphDeviceData object  with example: obj = COOTestGraphDeviceData(srcs, dsts, weights, name)