anchor.diff:    preCheck = ''
       rm -r google
     '';
  +
  +  disabledTests = [
  +    # requires credentials
  +    "test_bigquery_magic"
  +    "TestBigQuery"
  +  ];
   
     pythonImportsCheck = [
       "google.cloud.bigquery"
  
positive.code: , pytestCheckHook
  , freezegun
  , google-cloud-core
  , google-cloud-testutils
  , google-resumable-media
  , grpcio
  
negative.code:     ipython
      mock
      pandas
      psutil
      google-cloud-storage
      pytestCheckHook
    ];
  
  