code: def test_context_initialization_with_test_dataset_only(
      coco_visiondata_test,
  ):
      assert_that(
          calling(Context).with_args(test=coco_visiondata_test),
          raises(
              DatasetValidationError,
              r"Can't initialize context with only test\. if you have single dataset, "
              r"initialize it as train",
          ),
      )
  
file_path: deepchecks/tests/vision/base/test_context.py
imports: from hamcrest import assert_that, calling, has_properties, instance_of, is_, raises
  from deepchecks.core import DatasetKind
  from deepchecks.core.errors import DatasetValidationError, DeepchecksNotSupportedError, DeepchecksValueError, ModelValidationError, ValidationError
  from deepchecks.vision.base_checks import Context
  from deepchecks.vision.vision_data import TaskType, VisionData
label_desc: Use image node_id 6 for calling a global function with example usage: test_context_initialization_with_test_dataset_only(coco_visiondata_test) without return types