message: added assert error message
diff: @@ -23,6 +23,8 @@ SET s3_region='eu-west-1'; SET s3_endpoint='duckdb-minio.com:9000'; SET s3_use_s
  statement error
  COPY test TO 's3://test-bucket/s3_query_params/test.csv';
  +----
  +IO Error: Unable to connect to URL "s3://test-bucket/s3_query_params/test.csv": 403 (Forbidden)
  #test with .csv file
  statement ok
  