Fix Unit tests

Author: nargokul

src/sagemaker/session.py

@@ -630,12 +630,12 @@ def _create_s3_bucket_if_it_does_not_exist(self, bucket_name, region):
             s3 = self.s3_resource
 
         bucket = s3.Bucket(name=bucket_name)
-        expected_bucket_owner_id = self.account_id()
         if bucket.creation_date is None:
             self.general_bucket_check_if_user_has_permission(bucket_name, s3, bucket, region, True)
 
         elif self._default_bucket_set_by_sdk:
             self.general_bucket_check_if_user_has_permission(bucket_name, s3, bucket, region, False)
+            expected_bucket_owner_id = self.account_id()
             self.expected_bucket_owner_id_bucket_check(bucket_name, s3, expected_bucket_owner_id)
 
     def expected_bucket_owner_id_bucket_check(self, bucket_name, s3, expected_bucket_owner_id):