class_docstr: Test Google Cloud Platform utilities.
class_docstr_tok: ["Test","Google","Cloud","Platform","utilities","."]
docstr: Test that 'gcsfs' is required.
docstr_tok: ["Test","that","'gcsfs","'","is","required","."]
code: def test_no_gcsfs(self):
      """Test that 'gcsfs' is required."""
      from satpy.demo._google_cloud_platform import get_bucket_files
  
      with pytest.raises(RuntimeError):
          get_bucket_files("*.nc", ".")
  
imports: from __future__ import annotations
  import contextlib
  import io
  import os
  import sys
  import tarfile
  import unittest
  from collections import defaultdict
  from unittest import mock
  import pytest
label_desc: Use image node_id 3 for calling the TestGCPUtils obj's underlying member method code with example usage: obj.test_no_gcsfs() without return types