revert: switch gaussian credit model back to minio (opendatahub-io#885)

Author: sheltoncyril

tests/model_explainability/trustyai_service/conftest.py

@@ -34,6 +34,8 @@
     XGBOOST,
     TAI_DB_STORAGE_CONFIG,
     ISVC_GETTER,
+    GAUSSIAN_CREDIT_MODEL_STORAGE_PATH,
+    GAUSSIAN_CREDIT_MODEL,
 )
 from tests.model_explainability.trustyai_service.trustyai_service_utils import (
     wait_for_isvc_deployment_registered_by_trustyai_service,
@@ -288,7 +290,7 @@ def gaussian_credit_model(
     gaussian_credit_model_kwargs = {
         "client": admin_client,
         "namespace": model_namespace.name,
-        "name": "models",
+        "name": GAUSSIAN_CREDIT_MODEL,
     }
 
     if pytestconfig.option.post_upgrade:
@@ -300,7 +302,8 @@ def gaussian_credit_model(
             deployment_mode=KServeDeploymentType.RAW_DEPLOYMENT,
             model_format=XGBOOST,
             runtime=mlserver_runtime.name,
-            storage_uri="oci://quay.io/trustyai_testing/gaussian-credit-model-modelcar:latest",
+            storage_key=minio_data_connection.name,
+            storage_path=GAUSSIAN_CREDIT_MODEL_STORAGE_PATH,
             enable_auth=True,
             external_route=True,
             wait_for_predictor_pods=False,