chore: shorten image dataset display name in system test (#1603)

* chore: shorten img dataset display name

* add fix from linter

Author: sararob

tests/system/aiplatform/test_dataset.py

@@ -212,9 +212,7 @@ def test_create_and_import_image_dataset(self, dataset_gapic_client):
 
         try:
             img_dataset = aiplatform.ImageDataset.create(
-                display_name=self._make_display_name(
-                    key="create_and_import_image_dataset"
-                ),
+                display_name=self._make_display_name(key="create_image_dataset"),
                 gcs_source=_TEST_IMAGE_OBJECT_DETECTION_GCS_SOURCE,
                 import_schema_uri=_TEST_IMAGE_OBJ_DET_IMPORT_SCHEMA,
                 create_request_timeout=None,