code: def is_full_test() -> bool:
      r"""Whether to run the full but time-consuming test suite."""
      return os.getenv("FULL_TEST", "0") == "1"
  
imports: import os
  import sys
  import warnings
  from importlib import import_module
  from importlib.util import find_spec
  from typing import Callable
  import torch
  from packaging.requirements import Requirement
  from torch_geometric.typing import WITH_PYG_LIB, WITH_TORCH_SPARSE
  from torch_geometric.visualization.graph import has_graphviz
label_desc: Use image node_id 1 for calling a global function with example usage: is_full_test() and returns: unknown