add back a few tests

Author: Captainia

tests/unit/sagemaker/jumpstart/test_utils.py

@@ -1267,6 +1267,19 @@ def test_validate_model_id_and_get_type_invalid(
                 s3_client=mock_s3_client_value,
                 model_type=JumpStartModelType.PROPRIETARY,
             )
+            
+            self.assertIsNone(
+                utils.validate_model_id_and_get_type("dee", script=JumpStartScriptScope.TRAINING)
+            )
+            self.assertIsNone(
+                utils.validate_model_id_and_get_type("", script=JumpStartScriptScope.TRAINING)
+            )
+            self.assertIsNone(
+                utils.validate_model_id_and_get_type(None, script=JumpStartScriptScope.TRAINING)
+            )
+            self.assertIsNone(
+                utils.validate_model_id_and_get_type(set(), script=JumpStartScriptScope.TRAINING)
+            )
 
             assert (
                 utils.validate_model_id_and_get_type("pytorch-eqa-bert-base-cased")